398937760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:351

約数の個数: 192

約数和(自身を含む): 1097349120

約数和(自身を除く): 698411360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 32, 40, 46, 52, 62, 65, 80, 92, 104, 115, 124, 130, 155, 160, 184, 208, 230, 248, 260, 269, 299, 310, 368, 403, 416, 460, 496, 520, 538, 598, 620, 713, 736, 806, 920, 992, 1040, 1076, 1196, 1240, 1345, 1426, 1495, 1612, 1840, 2015, 2080, 2152, 2392, 2480, 2690, 2852, 2990, 3224, 3497, 3565, 3680, 4030, 4304, 4784, 4960, 5380, 5704, 5980, 6187, 6448, 6994, 7130, 8060, 8339, 8608, 9269, 9568, 10760, 11408, 11960, 12374, 12896, 13988, 14260, 16120, 16678, 17485, 18538, 21520, 22816, 23920, 24748, 27976, 28520, 30935, 32240, 33356, 34970, 37076, 41695, 43040, 46345, 47840, 49496, 55952, 57040, 61870, 64480, 66712, 69940, 74152, 80431, 83390, 92690, 98992, 108407, 111904, 114080, 123740, 133424, 139880, 148304, 160862, 166780, 185380, 191797, 197984, 216814, 247480, 266848, 279760, 296608, 321724, 333560, 370760, 383594, 402155, 433628, 494960, 542035, 559520, 643448, 667120, 741520, 767188, 804310, 867256, 958985, 989920, 1084070, 1286896, 1334240, 1483040, 1534376, 1608620, 1734512, 1917970, 2168140, 2493361, 2573792, 3068752, 3217240, 3469024, 3835940, 4336280, 4986722, 6137504, 6434480, 7671880, 8672560, 9973444, 12466805, 12868960, 15343760, 17345120, 19946888, 24933610, 30687520, 39893776, 49867220, 79787552, 99734440, 199468880, 398937760]

約数ペア:

[(1, 398937760), (2, 199468880), (4, 99734440), (5, 79787552), (8, 49867220), (10, 39893776), (13, 30687520), (16, 24933610), (20, 19946888), (23, 17345120), (26, 15343760), (31, 12868960), (32, 12466805), (40, 9973444), (46, 8672560), (52, 7671880), (62, 6434480), (65, 6137504), (80, 4986722), (92, 4336280), (104, 3835940), (115, 3469024), (124, 3217240), (130, 3068752), (155, 2573792), (160, 2493361), (184, 2168140), (208, 1917970), (230, 1734512), (248, 1608620), (260, 1534376), (269, 1483040), (299, 1334240), (310, 1286896), (368, 1084070), (403, 989920), (416, 958985), (460, 867256), (496, 804310), (520, 767188), (538, 741520), (598, 667120), (620, 643448), (713, 559520), (736, 542035), (806, 494960), (920, 433628), (992, 402155), (1040, 383594), (1076, 370760), (1196, 333560), (1240, 321724), (1345, 296608), (1426, 279760), (1495, 266848), (1612, 247480), (1840, 216814), (2015, 197984), (2080, 191797), (2152, 185380), (2392, 166780), (2480, 160862), (2690, 148304), (2852, 139880), (2990, 133424), (3224, 123740), (3497, 114080), (3565, 111904), (3680, 108407), (4030, 98992), (4304, 92690), (4784, 83390), (4960, 80431), (5380, 74152), (5704, 69940), (5980, 66712), (6187, 64480), (6448, 61870), (6994, 57040), (7130, 55952), (8060, 49496), (8339, 47840), (8608, 46345), (9269, 43040), (9568, 41695), (10760, 37076), (11408, 34970), (11960, 33356), (12374, 32240), (12896, 30935), (13988, 28520), (14260, 27976), (16120, 24748), (16678, 23920), (17485, 22816), (18538, 21520)]