217229220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 216

約数和(自身を含む): 736595496

約数和(自身を除く): 519366276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 169, 180, 185, 193, 195, 222, 234, 260, 333, 338, 370, 386, 390, 444, 468, 481, 507, 555, 579, 585, 666, 676, 740, 772, 780, 845, 962, 965, 1014, 1110, 1158, 1170, 1332, 1443, 1521, 1665, 1690, 1737, 1924, 1930, 2028, 2220, 2316, 2340, 2405, 2509, 2535, 2886, 2895, 3042, 3330, 3380, 3474, 3860, 4329, 4810, 5018, 5070, 5772, 5790, 6084, 6253, 6660, 6948, 7141, 7215, 7527, 7605, 8658, 8685, 9620, 10036, 10140, 11580, 12506, 12545, 14282, 14430, 15054, 15210, 17316, 17370, 18759, 21423, 21645, 22581, 25012, 25090, 28564, 28860, 30108, 30420, 31265, 32617, 34740, 35705, 37518, 37635, 42846, 43290, 45162, 50180, 56277, 62530, 64269, 65234, 71410, 75036, 75270, 85692, 86580, 90324, 92833, 93795, 97851, 107115, 112554, 112905, 125060, 128538, 130468, 142820, 150540, 163085, 185666, 187590, 195702, 214230, 225108, 225810, 257076, 278499, 281385, 293553, 321345, 326170, 371332, 375180, 391404, 428460, 451620, 464165, 489255, 556998, 562770, 587106, 642690, 652340, 835497, 928330, 978510, 1113996, 1125540, 1174212, 1206829, 1285380, 1392495, 1467765, 1670994, 1856660, 1957020, 2413658, 2784990, 2935530, 3341988, 3620487, 4177485, 4827316, 5569980, 5871060, 6034145, 7240974, 8354970, 10861461, 12068290, 14481948, 16709940, 18102435, 21722922, 24136580, 36204870, 43445844, 54307305, 72409740, 108614610, 217229220]

約数ペア:

[(1, 217229220), (2, 108614610), (3, 72409740), (4, 54307305), (5, 43445844), (6, 36204870), (9, 24136580), (10, 21722922), (12, 18102435), (13, 16709940), (15, 14481948), (18, 12068290), (20, 10861461), (26, 8354970), (30, 7240974), (36, 6034145), (37, 5871060), (39, 5569980), (45, 4827316), (52, 4177485), (60, 3620487), (65, 3341988), (74, 2935530), (78, 2784990), (90, 2413658), (111, 1957020), (117, 1856660), (130, 1670994), (148, 1467765), (156, 1392495), (169, 1285380), (180, 1206829), (185, 1174212), (193, 1125540), (195, 1113996), (222, 978510), (234, 928330), (260, 835497), (333, 652340), (338, 642690), (370, 587106), (386, 562770), (390, 556998), (444, 489255), (468, 464165), (481, 451620), (507, 428460), (555, 391404), (579, 375180), (585, 371332), (666, 326170), (676, 321345), (740, 293553), (772, 281385), (780, 278499), (845, 257076), (962, 225810), (965, 225108), (1014, 214230), (1110, 195702), (1158, 187590), (1170, 185666), (1332, 163085), (1443, 150540), (1521, 142820), (1665, 130468), (1690, 128538), (1737, 125060), (1924, 112905), (1930, 112554), (2028, 107115), (2220, 97851), (2316, 93795), (2340, 92833), (2405, 90324), (2509, 86580), (2535, 85692), (2886, 75270), (2895, 75036), (3042, 71410), (3330, 65234), (3380, 64269), (3474, 62530), (3860, 56277), (4329, 50180), (4810, 45162), (5018, 43290), (5070, 42846), (5772, 37635), (5790, 37518), (6084, 35705), (6253, 34740), (6660, 32617), (6948, 31265), (7141, 30420), (7215, 30108), (7527, 28860), (7605, 28564), (8658, 25090), (8685, 25012), (9620, 22581), (10036, 21645), (10140, 21423), (11580, 18759), (12506, 17370), (12545, 17316), (14282, 15210), (14430, 15054)]