56001220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 131449752

約数和(自身を除く): 75448532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 121, 146, 220, 242, 292, 317, 365, 484, 605, 634, 730, 803, 1210, 1268, 1460, 1585, 1606, 2420, 3170, 3212, 3487, 4015, 6340, 6974, 8030, 8833, 13948, 16060, 17435, 17666, 23141, 34870, 35332, 38357, 44165, 46282, 69740, 76714, 88330, 92564, 115705, 153428, 176660, 191785, 231410, 254551, 383570, 462820, 509102, 767140, 1018204, 1272755, 2545510, 2800061, 5091020, 5600122, 11200244, 14000305, 28000610, 56001220]

約数ペア:

[(1, 56001220), (2, 28000610), (4, 14000305), (5, 11200244), (10, 5600122), (11, 5091020), (20, 2800061), (22, 2545510), (44, 1272755), (55, 1018204), (73, 767140), (110, 509102), (121, 462820), (146, 383570), (220, 254551), (242, 231410), (292, 191785), (317, 176660), (365, 153428), (484, 115705), (605, 92564), (634, 88330), (730, 76714), (803, 69740), (1210, 46282), (1268, 44165), (1460, 38357), (1585, 35332), (1606, 34870), (2420, 23141), (3170, 17666), (3212, 17435), (3487, 16060), (4015, 13948), (6340, 8833), (6974, 8030)]