1420872940

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{476803}}^1$

素因数の和:476961

約数の個数: 24

約数和(自身を含む): 3003865200

約数和(自身を除く): 1582992260

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 476803, 953606, 1907212, 2384015, 4768030, 9536060, 71043647, 142087294, 284174588, 355218235, 710436470, 1420872940]

約数ペア:

[(1, 1420872940), (2, 710436470), (4, 355218235), (5, 284174588), (10, 142087294), (20, 71043647), (149, 9536060), (298, 4768030), (596, 2384015), (745, 1907212), (1490, 953606), (2980, 476803)]