518227580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 1209116160

約数和(自身を除く): 690888580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 71, 130, 134, 142, 260, 268, 284, 335, 355, 419, 670, 710, 838, 871, 923, 1340, 1420, 1676, 1742, 1846, 2095, 3484, 3692, 4190, 4355, 4615, 4757, 5447, 8380, 8710, 9230, 9514, 10894, 17420, 18460, 19028, 21788, 23785, 27235, 28073, 29749, 47570, 54470, 56146, 59498, 61841, 95140, 108940, 112292, 118996, 123682, 140365, 148745, 247364, 280730, 297490, 309205, 364949, 386737, 561460, 594980, 618410, 729898, 773474, 1236820, 1459796, 1546948, 1824745, 1933685, 1993183, 3649490, 3867370, 3986366, 7298980, 7734740, 7972732, 9965915, 19931830, 25911379, 39863660, 51822758, 103645516, 129556895, 259113790, 518227580]

約数ペア:

[(1, 518227580), (2, 259113790), (4, 129556895), (5, 103645516), (10, 51822758), (13, 39863660), (20, 25911379), (26, 19931830), (52, 9965915), (65, 7972732), (67, 7734740), (71, 7298980), (130, 3986366), (134, 3867370), (142, 3649490), (260, 1993183), (268, 1933685), (284, 1824745), (335, 1546948), (355, 1459796), (419, 1236820), (670, 773474), (710, 729898), (838, 618410), (871, 594980), (923, 561460), (1340, 386737), (1420, 364949), (1676, 309205), (1742, 297490), (1846, 280730), (2095, 247364), (3484, 148745), (3692, 140365), (4190, 123682), (4355, 118996), (4615, 112292), (4757, 108940), (5447, 95140), (8380, 61841), (8710, 59498), (9230, 56146), (9514, 54470), (10894, 47570), (17420, 29749), (18460, 28073), (19028, 27235), (21788, 23785)]