221322040

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{23747}}^1$

素因数の和:23991

約数の個数: 32

約数和(自身を含む): 500132880

約数和(自身を除く): 278810840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 9320, 23747, 47494, 94988, 118735, 189976, 237470, 474940, 949880, 5533051, 11066102, 22132204, 27665255, 44264408, 55330510, 110661020, 221322040]

約数ペア:

[(1, 221322040), (2, 110661020), (4, 55330510), (5, 44264408), (8, 27665255), (10, 22132204), (20, 11066102), (40, 5533051), (233, 949880), (466, 474940), (932, 237470), (1165, 189976), (1864, 118735), (2330, 94988), (4660, 47494), (9320, 23747)]