222458240

素因数分解:

$2^7\times 5^1\times {\mathrm{347591}}^1$

素因数の和:347610

約数の個数: 32

約数和(自身を含む): 531815760

約数和(自身を除く): 309357520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 347591, 695182, 1390364, 1737955, 2780728, 3475910, 5561456, 6951820, 11122912, 13903640, 22245824, 27807280, 44491648, 55614560, 111229120, 222458240]

約数ペア:

[(1, 222458240), (2, 111229120), (4, 55614560), (5, 44491648), (8, 27807280), (10, 22245824), (16, 13903640), (20, 11122912), (32, 6951820), (40, 5561456), (64, 3475910), (80, 2780728), (128, 1737955), (160, 1390364), (320, 695182), (640, 347591)]