745855120

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{36277}}^1$

素因数の和:36547

約数の個数: 40

約数和(自身を含む): 1740908664

約数和(自身を除く): 995053544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 36277, 72554, 145108, 181385, 290216, 362770, 580432, 725540, 1451080, 2902160, 9323189, 18646378, 37292756, 46615945, 74585512, 93231890, 149171024, 186463780, 372927560, 745855120]

約数ペア:

[(1, 745855120), (2, 372927560), (4, 186463780), (5, 149171024), (8, 93231890), (10, 74585512), (16, 46615945), (20, 37292756), (40, 18646378), (80, 9323189), (257, 2902160), (514, 1451080), (1028, 725540), (1285, 580432), (2056, 362770), (2570, 290216), (4112, 181385), (5140, 145108), (10280, 72554), (20560, 36277)]