440021992

素因数分解:

$2^3\times {\mathrm{349}}^1\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 831600000

約数和(自身を除く): 391578008

約数列:

[1, 2, 4, 8, 349, 359, 439, 698, 718, 878, 1396, 1436, 1756, 2792, 2872, 3512, 125291, 153211, 157601, 250582, 306422, 315202, 501164, 612844, 630404, 1002328, 1225688, 1260808, 55002749, 110005498, 220010996, 440021992]

約数ペア:

[(1, 440021992), (2, 220010996), (4, 110005498), (8, 55002749), (349, 1260808), (359, 1225688), (439, 1002328), (698, 630404), (718, 612844), (878, 501164), (1396, 315202), (1436, 306422), (1756, 250582), (2792, 157601), (2872, 153211), (3512, 125291)]