68717350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1585

約数の個数: 48

約数和(自身を含む): 139678560

約数和(自身を除く): 70961210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 325, 355, 650, 710, 923, 1489, 1775, 1846, 2978, 3550, 4615, 7445, 9230, 14890, 19357, 23075, 37225, 38714, 46150, 74450, 96785, 105719, 193570, 211438, 483925, 528595, 967850, 1057190, 1374347, 2642975, 2748694, 5285950, 6871735, 13743470, 34358675, 68717350]

約数ペア:

[(1, 68717350), (2, 34358675), (5, 13743470), (10, 6871735), (13, 5285950), (25, 2748694), (26, 2642975), (50, 1374347), (65, 1057190), (71, 967850), (130, 528595), (142, 483925), (325, 211438), (355, 193570), (650, 105719), (710, 96785), (923, 74450), (1489, 46150), (1775, 38714), (1846, 37225), (2978, 23075), (3550, 19357), (4615, 14890), (7445, 9230)]