898989520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{78583}}^1$

素因数の和:78620

約数の個数: 80

約数和(自身を含む): 2455592832

約数和(自身を除く): 1556603312

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 78583, 157166, 314332, 392915, 628664, 785830, 864413, 1021579, 1257328, 1571660, 1728826, 2043158, 3143320, 3457652, 4086316, 4322065, 5107895, 6286640, 6915304, 8172632, 8644130, 10215790, 11237369, 13830608, 16345264, 17288260, 20431580, 22474738, 34576520, 40863160, 44949476, 56186845, 69153040, 81726320, 89898952, 112373690, 179797904, 224747380, 449494760, 898989520]

約数ペア:

[(1, 898989520), (2, 449494760), (4, 224747380), (5, 179797904), (8, 112373690), (10, 89898952), (11, 81726320), (13, 69153040), (16, 56186845), (20, 44949476), (22, 40863160), (26, 34576520), (40, 22474738), (44, 20431580), (52, 17288260), (55, 16345264), (65, 13830608), (80, 11237369), (88, 10215790), (104, 8644130), (110, 8172632), (130, 6915304), (143, 6286640), (176, 5107895), (208, 4322065), (220, 4086316), (260, 3457652), (286, 3143320), (440, 2043158), (520, 1728826), (572, 1571660), (715, 1257328), (880, 1021579), (1040, 864413), (1144, 785830), (1430, 628664), (2288, 392915), (2860, 314332), (5720, 157166), (11440, 78583)]