419020780

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{140611}}^1$

素因数の和:140769

約数の個数: 24

約数和(自身を含む): 885855600

約数和(自身を除く): 466834820

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 140611, 281222, 562444, 703055, 1406110, 2812220, 20951039, 41902078, 83804156, 104755195, 209510390, 419020780]

約数ペア:

[(1, 419020780), (2, 209510390), (4, 104755195), (5, 83804156), (10, 41902078), (20, 20951039), (149, 2812220), (298, 1406110), (596, 703055), (745, 562444), (1490, 281222), (2980, 140611)]