72947870

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 133902720

約数和(自身を除く): 60954850

約数列:

[1, 2, 5, 10, 83, 166, 179, 358, 415, 491, 830, 895, 982, 1790, 2455, 4910, 14857, 29714, 40753, 74285, 81506, 87889, 148570, 175778, 203765, 407530, 439445, 878890, 7294787, 14589574, 36473935, 72947870]

約数ペア:

[(1, 72947870), (2, 36473935), (5, 14589574), (10, 7294787), (83, 878890), (166, 439445), (179, 407530), (358, 203765), (415, 175778), (491, 148570), (830, 87889), (895, 81506), (982, 74285), (1790, 40753), (2455, 29714), (4910, 14857)]