172972180

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{38783}}^1$

素因数の和:39015

約数の個数: 24

約数和(自身を含む): 364879872

約数和(自身を除く): 191907692

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 38783, 77566, 155132, 193915, 387830, 775660, 8648609, 17297218, 34594436, 43243045, 86486090, 172972180]

約数ペア:

[(1, 172972180), (2, 86486090), (4, 43243045), (5, 34594436), (10, 17297218), (20, 8648609), (223, 775660), (446, 387830), (892, 193915), (1115, 155132), (2230, 77566), (4460, 38783)]