212370940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 454616064

約数和(自身を除く): 242245124

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 347, 355, 431, 694, 710, 862, 1388, 1420, 1724, 1735, 2155, 3470, 4310, 6940, 8620, 24637, 30601, 49274, 61202, 98548, 122404, 123185, 149557, 153005, 246370, 299114, 306010, 492740, 598228, 612020, 747785, 1495570, 2991140, 10618547, 21237094, 42474188, 53092735, 106185470, 212370940]

約数ペア:

[(1, 212370940), (2, 106185470), (4, 53092735), (5, 42474188), (10, 21237094), (20, 10618547), (71, 2991140), (142, 1495570), (284, 747785), (347, 612020), (355, 598228), (431, 492740), (694, 306010), (710, 299114), (862, 246370), (1388, 153005), (1420, 149557), (1724, 123185), (1735, 122404), (2155, 98548), (3470, 61202), (4310, 49274), (6940, 30601), (8620, 24637)]