4870840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:89

約数の個数: 128

約数和(自身を含む): 13608000

約数和(自身を除く): 8737160

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 29, 34, 38, 40, 52, 58, 65, 68, 76, 85, 95, 104, 116, 130, 136, 145, 152, 170, 190, 221, 232, 247, 260, 290, 323, 340, 377, 380, 442, 493, 494, 520, 551, 580, 646, 680, 754, 760, 884, 986, 988, 1102, 1105, 1160, 1235, 1292, 1508, 1615, 1768, 1885, 1972, 1976, 2204, 2210, 2465, 2470, 2584, 2755, 3016, 3230, 3770, 3944, 4199, 4408, 4420, 4930, 4940, 5510, 6409, 6460, 7163, 7540, 8398, 8840, 9367, 9860, 9880, 11020, 12818, 12920, 14326, 15080, 16796, 18734, 19720, 20995, 22040, 25636, 28652, 32045, 33592, 35815, 37468, 41990, 46835, 51272, 57304, 64090, 71630, 74936, 83980, 93670, 121771, 128180, 143260, 167960, 187340, 243542, 256360, 286520, 374680, 487084, 608855, 974168, 1217710, 2435420, 4870840]

約数ペア:

[(1, 4870840), (2, 2435420), (4, 1217710), (5, 974168), (8, 608855), (10, 487084), (13, 374680), (17, 286520), (19, 256360), (20, 243542), (26, 187340), (29, 167960), (34, 143260), (38, 128180), (40, 121771), (52, 93670), (58, 83980), (65, 74936), (68, 71630), (76, 64090), (85, 57304), (95, 51272), (104, 46835), (116, 41990), (130, 37468), (136, 35815), (145, 33592), (152, 32045), (170, 28652), (190, 25636), (221, 22040), (232, 20995), (247, 19720), (260, 18734), (290, 16796), (323, 15080), (340, 14326), (377, 12920), (380, 12818), (442, 11020), (493, 9880), (494, 9860), (520, 9367), (551, 8840), (580, 8398), (646, 7540), (680, 7163), (754, 6460), (760, 6409), (884, 5510), (986, 4940), (988, 4930), (1102, 4420), (1105, 4408), (1160, 4199), (1235, 3944), (1292, 3770), (1508, 3230), (1615, 3016), (1768, 2755), (1885, 2584), (1972, 2470), (1976, 2465), (2204, 2210)]