200437840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 494164800

約数和(自身を除く): 293726960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 163, 190, 304, 326, 380, 652, 760, 809, 815, 1304, 1520, 1618, 1630, 2608, 3097, 3236, 3260, 4045, 6194, 6472, 6520, 8090, 12388, 12944, 13040, 15371, 15485, 16180, 24776, 30742, 30970, 32360, 49552, 61484, 61940, 64720, 76855, 122968, 123880, 131867, 153710, 245936, 247760, 263734, 307420, 527468, 614840, 659335, 1054936, 1229680, 1318670, 2109872, 2505473, 2637340, 5010946, 5274680, 10021892, 10549360, 12527365, 20043784, 25054730, 40087568, 50109460, 100218920, 200437840]

約数ペア:

[(1, 200437840), (2, 100218920), (4, 50109460), (5, 40087568), (8, 25054730), (10, 20043784), (16, 12527365), (19, 10549360), (20, 10021892), (38, 5274680), (40, 5010946), (76, 2637340), (80, 2505473), (95, 2109872), (152, 1318670), (163, 1229680), (190, 1054936), (304, 659335), (326, 614840), (380, 527468), (652, 307420), (760, 263734), (809, 247760), (815, 245936), (1304, 153710), (1520, 131867), (1618, 123880), (1630, 122968), (2608, 76855), (3097, 64720), (3236, 61940), (3260, 61484), (4045, 49552), (6194, 32360), (6472, 30970), (6520, 30742), (8090, 24776), (12388, 16180), (12944, 15485), (13040, 15371)]