73825820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 159159168

約数和(自身を除く): 85333348

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 257, 265, 271, 514, 530, 542, 1028, 1060, 1084, 1285, 1355, 2570, 2710, 5140, 5420, 13621, 14363, 27242, 28726, 54484, 57452, 68105, 69647, 71815, 136210, 139294, 143630, 272420, 278588, 287260, 348235, 696470, 1392940, 3691291, 7382582, 14765164, 18456455, 36912910, 73825820]

約数ペア:

[(1, 73825820), (2, 36912910), (4, 18456455), (5, 14765164), (10, 7382582), (20, 3691291), (53, 1392940), (106, 696470), (212, 348235), (257, 287260), (265, 278588), (271, 272420), (514, 143630), (530, 139294), (542, 136210), (1028, 71815), (1060, 69647), (1084, 68105), (1285, 57452), (1355, 54484), (2570, 28726), (2710, 27242), (5140, 14363), (5420, 13621)]