388614520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{3037}}^1$

素因数の和:3512

約数の個数: 64

約数和(自身を含む): 1001810880

約数和(自身を除く): 613196360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 457, 914, 1828, 2285, 3037, 3199, 3656, 4570, 6074, 6398, 9140, 12148, 12796, 15185, 15995, 18280, 21259, 24296, 25592, 30370, 31990, 42518, 60740, 63980, 85036, 106295, 121480, 127960, 170072, 212590, 425180, 850360, 1387909, 2775818, 5551636, 6939545, 9715363, 11103272, 13879090, 19430726, 27758180, 38861452, 48576815, 55516360, 77722904, 97153630, 194307260, 388614520]

約数ペア:

[(1, 388614520), (2, 194307260), (4, 97153630), (5, 77722904), (7, 55516360), (8, 48576815), (10, 38861452), (14, 27758180), (20, 19430726), (28, 13879090), (35, 11103272), (40, 9715363), (56, 6939545), (70, 5551636), (140, 2775818), (280, 1387909), (457, 850360), (914, 425180), (1828, 212590), (2285, 170072), (3037, 127960), (3199, 121480), (3656, 106295), (4570, 85036), (6074, 63980), (6398, 60740), (9140, 42518), (12148, 31990), (12796, 30370), (15185, 25592), (15995, 24296), (18280, 21259)]