521309840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{5813}}^1$

素因数の和:5904

約数の個数: 80

約数和(自身を含む): 1297684800

約数和(自身を除く): 776374960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 944, 1121, 1180, 1520, 2242, 2360, 4484, 4720, 5605, 5813, 8968, 11210, 11626, 17936, 22420, 23252, 29065, 44840, 46504, 58130, 89680, 93008, 110447, 116260, 220894, 232520, 342967, 441788, 465040, 552235, 685934, 883576, 1104470, 1371868, 1714835, 1767152, 2208940, 2743736, 3429670, 4417880, 5487472, 6516373, 6859340, 8835760, 13032746, 13718680, 26065492, 27437360, 32581865, 52130984, 65163730, 104261968, 130327460, 260654920, 521309840]

約数ペア:

[(1, 521309840), (2, 260654920), (4, 130327460), (5, 104261968), (8, 65163730), (10, 52130984), (16, 32581865), (19, 27437360), (20, 26065492), (38, 13718680), (40, 13032746), (59, 8835760), (76, 6859340), (80, 6516373), (95, 5487472), (118, 4417880), (152, 3429670), (190, 2743736), (236, 2208940), (295, 1767152), (304, 1714835), (380, 1371868), (472, 1104470), (590, 883576), (760, 685934), (944, 552235), (1121, 465040), (1180, 441788), (1520, 342967), (2242, 232520), (2360, 220894), (4484, 116260), (4720, 110447), (5605, 93008), (5813, 89680), (8968, 58130), (11210, 46504), (11626, 44840), (17936, 29065), (22420, 23252)]