77775380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 89875180

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 239, 265, 307, 478, 530, 614, 956, 1060, 1195, 1228, 1535, 2390, 3070, 4780, 6140, 12667, 16271, 25334, 32542, 50668, 63335, 65084, 73373, 81355, 126670, 146746, 162710, 253340, 293492, 325420, 366865, 733730, 1467460, 3888769, 7777538, 15555076, 19443845, 38887690, 77775380]

約数ペア:

[(1, 77775380), (2, 38887690), (4, 19443845), (5, 15555076), (10, 7777538), (20, 3888769), (53, 1467460), (106, 733730), (212, 366865), (239, 325420), (265, 293492), (307, 253340), (478, 162710), (530, 146746), (614, 126670), (956, 81355), (1060, 73373), (1195, 65084), (1228, 63335), (1535, 50668), (2390, 32542), (3070, 25334), (4780, 16271), (6140, 12667)]