397111880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 1011225600

約数和(自身を除く): 614113720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 139, 151, 172, 215, 220, 278, 302, 344, 430, 440, 473, 556, 604, 695, 755, 860, 946, 1112, 1208, 1390, 1510, 1529, 1661, 1720, 1892, 2365, 2780, 3020, 3058, 3322, 3784, 4730, 5560, 5977, 6040, 6116, 6493, 6644, 7645, 8305, 9460, 11954, 12232, 12986, 13288, 15290, 16610, 18920, 20989, 23908, 25972, 29885, 30580, 32465, 33220, 41978, 47816, 51944, 59770, 61160, 64930, 65747, 66440, 71423, 83956, 104945, 119540, 129860, 131494, 142846, 167912, 209890, 230879, 239080, 259720, 262988, 285692, 328735, 357115, 419780, 461758, 525976, 571384, 657470, 714230, 839560, 902527, 923516, 1154395, 1314940, 1428460, 1805054, 1847032, 2308790, 2629880, 2856920, 3610108, 4512635, 4617580, 7220216, 9025270, 9235160, 9927797, 18050540, 19855594, 36101080, 39711188, 49638985, 79422376, 99277970, 198555940, 397111880]

約数ペア:

[(1, 397111880), (2, 198555940), (4, 99277970), (5, 79422376), (8, 49638985), (10, 39711188), (11, 36101080), (20, 19855594), (22, 18050540), (40, 9927797), (43, 9235160), (44, 9025270), (55, 7220216), (86, 4617580), (88, 4512635), (110, 3610108), (139, 2856920), (151, 2629880), (172, 2308790), (215, 1847032), (220, 1805054), (278, 1428460), (302, 1314940), (344, 1154395), (430, 923516), (440, 902527), (473, 839560), (556, 714230), (604, 657470), (695, 571384), (755, 525976), (860, 461758), (946, 419780), (1112, 357115), (1208, 328735), (1390, 285692), (1510, 262988), (1529, 259720), (1661, 239080), (1720, 230879), (1892, 209890), (2365, 167912), (2780, 142846), (3020, 131494), (3058, 129860), (3322, 119540), (3784, 104945), (4730, 83956), (5560, 71423), (5977, 66440), (6040, 65747), (6116, 64930), (6493, 61160), (6644, 59770), (7645, 51944), (8305, 47816), (9460, 41978), (11954, 33220), (12232, 32465), (12986, 30580), (13288, 29885), (15290, 25972), (16610, 23908), (18920, 20989)]