397954440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:285

約数の個数: 288

約数和(自身を含む): 1452522240

約数和(自身を除く): 1054567800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 169, 180, 186, 195, 211, 234, 248, 260, 279, 310, 312, 338, 360, 372, 390, 403, 422, 465, 468, 507, 520, 558, 585, 620, 633, 676, 744, 780, 806, 844, 845, 930, 936, 1014, 1055, 1116, 1170, 1209, 1240, 1266, 1352, 1395, 1521, 1560, 1612, 1688, 1690, 1860, 1899, 2015, 2028, 2110, 2232, 2340, 2418, 2532, 2535, 2743, 2790, 3042, 3165, 3224, 3380, 3627, 3720, 3798, 4030, 4056, 4220, 4680, 4836, 5064, 5070, 5239, 5486, 5580, 6045, 6084, 6330, 6541, 6760, 7254, 7596, 7605, 8060, 8229, 8440, 9495, 9672, 10140, 10478, 10972, 11160, 12090, 12168, 12660, 13082, 13715, 14508, 15192, 15210, 15717, 16120, 16458, 18135, 18990, 19623, 20280, 20956, 21944, 24180, 24687, 25320, 26164, 26195, 27430, 29016, 30420, 31434, 32705, 32916, 35659, 36270, 37980, 39246, 41145, 41912, 47151, 48360, 49374, 52328, 52390, 54860, 58869, 60840, 62868, 65410, 65832, 71318, 72540, 75960, 78492, 78585, 82290, 85033, 94302, 98115, 98748, 104780, 106977, 109720, 117738, 123435, 125736, 130820, 142636, 145080, 156984, 157170, 164580, 170066, 178295, 188604, 196230, 197496, 209560, 213954, 235476, 235755, 246870, 255099, 261640, 285272, 294345, 314340, 320931, 329160, 340132, 356590, 377208, 392460, 425165, 427908, 470952, 471510, 493740, 510198, 534885, 588690, 628680, 641862, 680264, 713180, 765297, 784920, 850330, 855816, 943020, 987480, 1020396, 1069770, 1105429, 1177380, 1275495, 1283724, 1426360, 1530594, 1604655, 1700660, 1886040, 2040792, 2139540, 2210858, 2354760, 2550990, 2567448, 3061188, 3209310, 3316287, 3401320, 3826485, 4279080, 4421716, 5101980, 5527145, 6122376, 6418620, 6632574, 7652970, 8843432, 9948861, 10203960, 11054290, 12837240, 13265148, 15305940, 16581435, 19897722, 22108580, 26530296, 30611880, 33162870, 39795444, 44217160, 49744305, 66325740, 79590888, 99488610, 132651480, 198977220, 397954440]

約数ペア:

[(1, 397954440), (2, 198977220), (3, 132651480), (4, 99488610), (5, 79590888), (6, 66325740), (8, 49744305), (9, 44217160), (10, 39795444), (12, 33162870), (13, 30611880), (15, 26530296), (18, 22108580), (20, 19897722), (24, 16581435), (26, 15305940), (30, 13265148), (31, 12837240), (36, 11054290), (39, 10203960), (40, 9948861), (45, 8843432), (52, 7652970), (60, 6632574), (62, 6418620), (65, 6122376), (72, 5527145), (78, 5101980), (90, 4421716), (93, 4279080), (104, 3826485), (117, 3401320), (120, 3316287), (124, 3209310), (130, 3061188), (155, 2567448), (156, 2550990), (169, 2354760), (180, 2210858), (186, 2139540), (195, 2040792), (211, 1886040), (234, 1700660), (248, 1604655), (260, 1530594), (279, 1426360), (310, 1283724), (312, 1275495), (338, 1177380), (360, 1105429), (372, 1069770), (390, 1020396), (403, 987480), (422, 943020), (465, 855816), (468, 850330), (507, 784920), (520, 765297), (558, 713180), (585, 680264), (620, 641862), (633, 628680), (676, 588690), (744, 534885), (780, 510198), (806, 493740), (844, 471510), (845, 470952), (930, 427908), (936, 425165), (1014, 392460), (1055, 377208), (1116, 356590), (1170, 340132), (1209, 329160), (1240, 320931), (1266, 314340), (1352, 294345), (1395, 285272), (1521, 261640), (1560, 255099), (1612, 246870), (1688, 235755), (1690, 235476), (1860, 213954), (1899, 209560), (2015, 197496), (2028, 196230), (2110, 188604), (2232, 178295), (2340, 170066), (2418, 164580), (2532, 157170), (2535, 156984), (2743, 145080), (2790, 142636), (3042, 130820), (3165, 125736), (3224, 123435), (3380, 117738), (3627, 109720), (3720, 106977), (3798, 104780), (4030, 98748), (4056, 98115), (4220, 94302), (4680, 85033), (4836, 82290), (5064, 78585), (5070, 78492), (5239, 75960), (5486, 72540), (5580, 71318), (6045, 65832), (6084, 65410), (6330, 62868), (6541, 60840), (6760, 58869), (7254, 54860), (7596, 52390), (7605, 52328), (8060, 49374), (8229, 48360), (8440, 47151), (9495, 41912), (9672, 41145), (10140, 39246), (10478, 37980), (10972, 36270), (11160, 35659), (12090, 32916), (12168, 32705), (12660, 31434), (13082, 30420), (13715, 29016), (14508, 27430), (15192, 26195), (15210, 26164), (15717, 25320), (16120, 24687), (16458, 24180), (18135, 21944), (18990, 20956), (19623, 20280)]