1228908980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{13093}}^1$

素因数の和:13153

約数の個数: 72

約数和(自身を含む): 2933422632

約数和(自身を除く): 1704513652

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 722, 988, 1235, 1444, 1805, 2470, 3610, 4693, 4940, 7220, 9386, 13093, 18772, 23465, 26186, 46930, 52372, 65465, 93860, 130930, 170209, 248767, 261860, 340418, 497534, 680836, 851045, 995068, 1243835, 1702090, 2487670, 3233971, 3404180, 4726573, 4975340, 6467942, 9453146, 12935884, 16169855, 18906292, 23632865, 32339710, 47265730, 61445449, 64679420, 94531460, 122890898, 245781796, 307227245, 614454490, 1228908980]

約数ペア:

[(1, 1228908980), (2, 614454490), (4, 307227245), (5, 245781796), (10, 122890898), (13, 94531460), (19, 64679420), (20, 61445449), (26, 47265730), (38, 32339710), (52, 23632865), (65, 18906292), (76, 16169855), (95, 12935884), (130, 9453146), (190, 6467942), (247, 4975340), (260, 4726573), (361, 3404180), (380, 3233971), (494, 2487670), (722, 1702090), (988, 1243835), (1235, 995068), (1444, 851045), (1805, 680836), (2470, 497534), (3610, 340418), (4693, 261860), (4940, 248767), (7220, 170209), (9386, 130930), (13093, 93860), (18772, 65465), (23465, 52372), (26186, 46930)]