247755160

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1852

約数の個数: 64

約数和(自身を含む): 576525600

約数和(自身を除く): 328770440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 61, 118, 122, 236, 244, 295, 305, 472, 488, 590, 610, 1180, 1220, 1721, 2360, 2440, 3442, 3599, 6884, 7198, 8605, 13768, 14396, 17210, 17995, 28792, 34420, 35990, 68840, 71980, 101539, 104981, 143960, 203078, 209962, 406156, 419924, 507695, 524905, 812312, 839848, 1015390, 1049810, 2030780, 2099620, 4061560, 4199240, 6193879, 12387758, 24775516, 30969395, 49551032, 61938790, 123877580, 247755160]

約数ペア:

[(1, 247755160), (2, 123877580), (4, 61938790), (5, 49551032), (8, 30969395), (10, 24775516), (20, 12387758), (40, 6193879), (59, 4199240), (61, 4061560), (118, 2099620), (122, 2030780), (236, 1049810), (244, 1015390), (295, 839848), (305, 812312), (472, 524905), (488, 507695), (590, 419924), (610, 406156), (1180, 209962), (1220, 203078), (1721, 143960), (2360, 104981), (2440, 101539), (3442, 71980), (3599, 68840), (6884, 35990), (7198, 34420), (8605, 28792), (13768, 17995), (14396, 17210)]