204622840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 478548000

約数和(自身を除く): 273925160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 419, 421, 580, 838, 842, 1160, 1676, 1684, 2095, 2105, 3352, 3368, 4190, 4210, 8380, 8420, 12151, 12209, 16760, 16840, 24302, 24418, 48604, 48836, 60755, 61045, 97208, 97672, 121510, 122090, 176399, 243020, 244180, 352798, 486040, 488360, 705596, 881995, 1411192, 1763990, 3527980, 5115571, 7055960, 10231142, 20462284, 25577855, 40924568, 51155710, 102311420, 204622840]

約数ペア:

[(1, 204622840), (2, 102311420), (4, 51155710), (5, 40924568), (8, 25577855), (10, 20462284), (20, 10231142), (29, 7055960), (40, 5115571), (58, 3527980), (116, 1763990), (145, 1411192), (232, 881995), (290, 705596), (419, 488360), (421, 486040), (580, 352798), (838, 244180), (842, 243020), (1160, 176399), (1676, 122090), (1684, 121510), (2095, 97672), (2105, 97208), (3352, 61045), (3368, 60755), (4190, 48836), (4210, 48604), (8380, 24418), (8420, 24302), (12151, 16840), (12209, 16760)]