791210620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{7043}}^1$

素因数の和:7230

約数の個数: 48

約数和(自身を含む): 1714735008

約数和(自身を除く): 923524388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 137, 164, 205, 274, 410, 548, 685, 820, 1370, 2740, 5617, 7043, 11234, 14086, 22468, 28085, 28172, 35215, 56170, 70430, 112340, 140860, 288763, 577526, 964891, 1155052, 1443815, 1929782, 2887630, 3859564, 4824455, 5775260, 9648910, 19297820, 39560531, 79121062, 158242124, 197802655, 395605310, 791210620]

約数ペア:

[(1, 791210620), (2, 395605310), (4, 197802655), (5, 158242124), (10, 79121062), (20, 39560531), (41, 19297820), (82, 9648910), (137, 5775260), (164, 4824455), (205, 3859564), (274, 2887630), (410, 1929782), (548, 1443815), (685, 1155052), (820, 964891), (1370, 577526), (2740, 288763), (5617, 140860), (7043, 112340), (11234, 70430), (14086, 56170), (22468, 35215), (28085, 28172)]