311103640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 717219360

約数和(自身を除く): 406115720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 257, 265, 424, 514, 530, 571, 1028, 1060, 1142, 1285, 2056, 2120, 2284, 2570, 2855, 4568, 5140, 5710, 10280, 11420, 13621, 22840, 27242, 30263, 54484, 60526, 68105, 108968, 121052, 136210, 146747, 151315, 242104, 272420, 293494, 302630, 544840, 586988, 605260, 733735, 1173976, 1210520, 1467470, 2934940, 5869880, 7777591, 15555182, 31110364, 38887955, 62220728, 77775910, 155551820, 311103640]

約数ペア:

[(1, 311103640), (2, 155551820), (4, 77775910), (5, 62220728), (8, 38887955), (10, 31110364), (20, 15555182), (40, 7777591), (53, 5869880), (106, 2934940), (212, 1467470), (257, 1210520), (265, 1173976), (424, 733735), (514, 605260), (530, 586988), (571, 544840), (1028, 302630), (1060, 293494), (1142, 272420), (1285, 242104), (2056, 151315), (2120, 146747), (2284, 136210), (2570, 121052), (2855, 108968), (4568, 68105), (5140, 60526), (5710, 54484), (10280, 30263), (11420, 27242), (13621, 22840)]