28758660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68473}}^1$

素因数の和:68492

約数の個数: 48

約数和(自身を含む): 92029056

約数和(自身を除く): 63270396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68473, 136946, 205419, 273892, 342365, 410838, 479311, 684730, 821676, 958622, 1027095, 1369460, 1437933, 1917244, 2054190, 2396555, 2875866, 4108380, 4793110, 5751732, 7189665, 9586220, 14379330, 28758660]

約数ペア:

[(1, 28758660), (2, 14379330), (3, 9586220), (4, 7189665), (5, 5751732), (6, 4793110), (7, 4108380), (10, 2875866), (12, 2396555), (14, 2054190), (15, 1917244), (20, 1437933), (21, 1369460), (28, 1027095), (30, 958622), (35, 821676), (42, 684730), (60, 479311), (70, 410838), (84, 342365), (105, 273892), (140, 205419), (210, 136946), (420, 68473)]