189968360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2731}}^1$

素因数の和:2826

約数の個数: 64

約数和(自身を含む): 448485120

約数和(自身を除く): 258516760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1480, 1739, 1880, 2731, 3478, 5462, 6956, 8695, 10924, 13655, 13912, 17390, 21848, 27310, 34780, 54620, 69560, 101047, 109240, 128357, 202094, 256714, 404188, 505235, 513428, 641785, 808376, 1010470, 1026856, 1283570, 2020940, 2567140, 4041880, 4749209, 5134280, 9498418, 18996836, 23746045, 37993672, 47492090, 94984180, 189968360]

約数ペア:

[(1, 189968360), (2, 94984180), (4, 47492090), (5, 37993672), (8, 23746045), (10, 18996836), (20, 9498418), (37, 5134280), (40, 4749209), (47, 4041880), (74, 2567140), (94, 2020940), (148, 1283570), (185, 1026856), (188, 1010470), (235, 808376), (296, 641785), (370, 513428), (376, 505235), (470, 404188), (740, 256714), (940, 202094), (1480, 128357), (1739, 109240), (1880, 101047), (2731, 69560), (3478, 54620), (5462, 34780), (6956, 27310), (8695, 21848), (10924, 17390), (13655, 13912)]