42161980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4937}}^1$

素因数の和:5014

約数の個数: 48

約数和(自身を含む): 102868416

約数和(自身を除く): 60706436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 4937, 8540, 9874, 19748, 24685, 34559, 49370, 69118, 98740, 138236, 172795, 301157, 345590, 602314, 691180, 1204628, 1505785, 2108099, 3011570, 4216198, 6023140, 8432396, 10540495, 21080990, 42161980]

約数ペア:

[(1, 42161980), (2, 21080990), (4, 10540495), (5, 8432396), (7, 6023140), (10, 4216198), (14, 3011570), (20, 2108099), (28, 1505785), (35, 1204628), (61, 691180), (70, 602314), (122, 345590), (140, 301157), (244, 172795), (305, 138236), (427, 98740), (610, 69118), (854, 49370), (1220, 34559), (1708, 24685), (2135, 19748), (4270, 9874), (4937, 8540)]