287157040

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{18793}}^1$

素因数の和:18997

約数の個数: 40

約数和(自身を含む): 671171328

約数和(自身を除く): 384014288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 7640, 15280, 18793, 37586, 75172, 93965, 150344, 187930, 300688, 375860, 751720, 1503440, 3589463, 7178926, 14357852, 17947315, 28715704, 35894630, 57431408, 71789260, 143578520, 287157040]

約数ペア:

[(1, 287157040), (2, 143578520), (4, 71789260), (5, 57431408), (8, 35894630), (10, 28715704), (16, 17947315), (20, 14357852), (40, 7178926), (80, 3589463), (191, 1503440), (382, 751720), (764, 375860), (955, 300688), (1528, 187930), (1910, 150344), (3056, 93965), (3820, 75172), (7640, 37586), (15280, 18793)]