68881340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{4289}}^1$

素因数の和:4382

約数の個数: 48

約数和(自身を含む): 159999840

約数和(自身を除く): 91118500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 4289, 8030, 8578, 16060, 17156, 21445, 42890, 47179, 85780, 94358, 188716, 235895, 313097, 471790, 626194, 943580, 1252388, 1565485, 3130970, 3444067, 6261940, 6888134, 13776268, 17220335, 34440670, 68881340]

約数ペア:

[(1, 68881340), (2, 34440670), (4, 17220335), (5, 13776268), (10, 6888134), (11, 6261940), (20, 3444067), (22, 3130970), (44, 1565485), (55, 1252388), (73, 943580), (110, 626194), (146, 471790), (220, 313097), (292, 235895), (365, 188716), (730, 94358), (803, 85780), (1460, 47179), (1606, 42890), (3212, 21445), (4015, 17156), (4289, 16060), (8030, 8578)]