308538280

素因数分解:

$2^3\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{4999}}^1$

素因数の和:6553

約数の個数: 32

約数和(自身を含む): 694800000

約数和(自身を除く): 386261720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1543, 3086, 4999, 6172, 7715, 9998, 12344, 15430, 19996, 24995, 30860, 39992, 49990, 61720, 99980, 199960, 7713457, 15426914, 30853828, 38567285, 61707656, 77134570, 154269140, 308538280]

約数ペア:

[(1, 308538280), (2, 154269140), (4, 77134570), (5, 61707656), (8, 38567285), (10, 30853828), (20, 15426914), (40, 7713457), (1543, 199960), (3086, 99980), (4999, 61720), (6172, 49990), (7715, 39992), (9998, 30860), (12344, 24995), (15430, 19996)]