208902640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{35771}}^1$

素因数の和:35857

約数の個数: 40

約数和(自身を含む): 492365808

約数和(自身を除く): 283463168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 35771, 71542, 143084, 178855, 286168, 357710, 572336, 715420, 1430840, 2611283, 2861680, 5222566, 10445132, 13056415, 20890264, 26112830, 41780528, 52225660, 104451320, 208902640]

約数ペア:

[(1, 208902640), (2, 104451320), (4, 52225660), (5, 41780528), (8, 26112830), (10, 20890264), (16, 13056415), (20, 10445132), (40, 5222566), (73, 2861680), (80, 2611283), (146, 1430840), (292, 715420), (365, 572336), (584, 357710), (730, 286168), (1168, 178855), (1460, 143084), (2920, 71542), (5840, 35771)]