8438540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{317}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 19553184

約数和(自身を除く): 11114644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 317, 484, 605, 634, 1210, 1268, 1331, 1585, 2420, 2662, 3170, 3487, 5324, 6340, 6655, 6974, 13310, 13948, 17435, 26620, 34870, 38357, 69740, 76714, 153428, 191785, 383570, 421927, 767140, 843854, 1687708, 2109635, 4219270, 8438540]

約数ペア:

[(1, 8438540), (2, 4219270), (4, 2109635), (5, 1687708), (10, 843854), (11, 767140), (20, 421927), (22, 383570), (44, 191785), (55, 153428), (110, 76714), (121, 69740), (220, 38357), (242, 34870), (317, 26620), (484, 17435), (605, 13948), (634, 13310), (1210, 6974), (1268, 6655), (1331, 6340), (1585, 5324), (2420, 3487), (2662, 3170)]