157887890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1\times {\mathrm{1181}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 294885360

約数和(自身を除く): 136997470

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 461, 922, 1181, 2305, 2362, 4610, 5905, 11810, 13369, 26738, 34249, 66845, 68498, 133690, 171245, 342490, 544441, 1088882, 2722205, 5444410, 15788789, 31577578, 78943945, 157887890]

約数ペア:

[(1, 157887890), (2, 78943945), (5, 31577578), (10, 15788789), (29, 5444410), (58, 2722205), (145, 1088882), (290, 544441), (461, 342490), (922, 171245), (1181, 133690), (2305, 68498), (2362, 66845), (4610, 34249), (5905, 26738), (11810, 13369)]