156720500990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1307}}^1\times {\mathrm{151783}}^1$

素因数の和:153176

約数の個数: 32

約数和(自身を含む): 285888199680

約数和(自身を除く): 129167698690

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 1307, 2614, 6535, 13070, 103253, 151783, 206506, 303566, 516265, 758915, 1032530, 1517830, 11990857, 23981714, 59954285, 119908570, 198380381, 396760762, 991901905, 1983803810, 15672050099, 31344100198, 78360250495, 156720500990]

約数ペア:

[(1, 156720500990), (2, 78360250495), (5, 31344100198), (10, 15672050099), (79, 1983803810), (158, 991901905), (395, 396760762), (790, 198380381), (1307, 119908570), (2614, 59954285), (6535, 23981714), (13070, 11990857), (103253, 1517830), (151783, 1032530), (206506, 758915), (303566, 516265)]