415806820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{13217}}^1$

素因数の和:13261

約数の個数: 72

約数和(自身を含む): 1033700472

約数和(自身を除く): 617893652

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2860, 3146, 6292, 7865, 13217, 15730, 26434, 31460, 52868, 66085, 132170, 145387, 171821, 264340, 290774, 343642, 581548, 687284, 726935, 859105, 1453870, 1599257, 1718210, 1890031, 2907740, 3198514, 3436420, 3780062, 6397028, 7560124, 7996285, 9450155, 15992570, 18900310, 20790341, 31985140, 37800620, 41580682, 83161364, 103951705, 207903410, 415806820]

約数ペア:

[(1, 415806820), (2, 207903410), (4, 103951705), (5, 83161364), (10, 41580682), (11, 37800620), (13, 31985140), (20, 20790341), (22, 18900310), (26, 15992570), (44, 9450155), (52, 7996285), (55, 7560124), (65, 6397028), (110, 3780062), (121, 3436420), (130, 3198514), (143, 2907740), (220, 1890031), (242, 1718210), (260, 1599257), (286, 1453870), (484, 859105), (572, 726935), (605, 687284), (715, 581548), (1210, 343642), (1430, 290774), (1573, 264340), (2420, 171821), (2860, 145387), (3146, 132170), (6292, 66085), (7865, 52868), (13217, 31460), (15730, 26434)]