64942990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 138101760

約数和(自身を除く): 73158770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 73, 142, 146, 179, 355, 358, 365, 497, 511, 710, 730, 895, 994, 1022, 1253, 1790, 2485, 2506, 2555, 4970, 5110, 5183, 6265, 10366, 12530, 12709, 13067, 25418, 25915, 26134, 36281, 51830, 63545, 65335, 72562, 88963, 91469, 127090, 130670, 177926, 181405, 182938, 362810, 444815, 457345, 889630, 914690, 927757, 1855514, 4638785, 6494299, 9277570, 12988598, 32471495, 64942990]

約数ペア:

[(1, 64942990), (2, 32471495), (5, 12988598), (7, 9277570), (10, 6494299), (14, 4638785), (35, 1855514), (70, 927757), (71, 914690), (73, 889630), (142, 457345), (146, 444815), (179, 362810), (355, 182938), (358, 181405), (365, 177926), (497, 130670), (511, 127090), (710, 91469), (730, 88963), (895, 72562), (994, 65335), (1022, 63545), (1253, 51830), (1790, 36281), (2485, 26134), (2506, 25915), (2555, 25418), (4970, 13067), (5110, 12709), (5183, 12530), (6265, 10366)]