72968620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 156854880

約数和(自身を除く): 83886260

約数列:

[1, 2, 4, 5, 10, 20, 83, 113, 166, 226, 332, 389, 415, 452, 565, 778, 830, 1130, 1556, 1660, 1945, 2260, 3890, 7780, 9379, 18758, 32287, 37516, 43957, 46895, 64574, 87914, 93790, 129148, 161435, 175828, 187580, 219785, 322870, 439570, 645740, 879140, 3648431, 7296862, 14593724, 18242155, 36484310, 72968620]

約数ペア:

[(1, 72968620), (2, 36484310), (4, 18242155), (5, 14593724), (10, 7296862), (20, 3648431), (83, 879140), (113, 645740), (166, 439570), (226, 322870), (332, 219785), (389, 187580), (415, 175828), (452, 161435), (565, 129148), (778, 93790), (830, 87914), (1130, 64574), (1556, 46895), (1660, 43957), (1945, 37516), (2260, 32287), (3890, 18758), (7780, 9379)]