1913236520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{78283}}^1$

素因数の和:78354

約数の個数: 64

約数和(自身を含む): 4734616320

約数和(自身を除く): 2821379800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 4888, 6110, 12220, 24440, 78283, 156566, 313132, 391415, 626264, 782830, 1017679, 1565660, 2035358, 3131320, 3679301, 4070716, 5088395, 7358602, 8141432, 10176790, 14717204, 18396505, 20353580, 29434408, 36793010, 40707160, 47830913, 73586020, 95661826, 147172040, 191323652, 239154565, 382647304, 478309130, 956618260, 1913236520]

約数ペア:

[(1, 1913236520), (2, 956618260), (4, 478309130), (5, 382647304), (8, 239154565), (10, 191323652), (13, 147172040), (20, 95661826), (26, 73586020), (40, 47830913), (47, 40707160), (52, 36793010), (65, 29434408), (94, 20353580), (104, 18396505), (130, 14717204), (188, 10176790), (235, 8141432), (260, 7358602), (376, 5088395), (470, 4070716), (520, 3679301), (611, 3131320), (940, 2035358), (1222, 1565660), (1880, 1017679), (2444, 782830), (3055, 626264), (4888, 391415), (6110, 313132), (12220, 156566), (24440, 78283)]