179721890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{983}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 331568640

約数和(自身を除く): 151846750

約数列:

[1, 2, 5, 10, 47, 94, 235, 389, 470, 778, 983, 1945, 1966, 3890, 4915, 9830, 18283, 36566, 46201, 91415, 92402, 182830, 231005, 382387, 462010, 764774, 1911935, 3823870, 17972189, 35944378, 89860945, 179721890]

約数ペア:

[(1, 179721890), (2, 89860945), (5, 35944378), (10, 17972189), (47, 3823870), (94, 1911935), (235, 764774), (389, 462010), (470, 382387), (778, 231005), (983, 182830), (1945, 92402), (1966, 91415), (3890, 46201), (4915, 36566), (9830, 18283)]