197001980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{13151}}^1$

素因数の和:13274

約数の個数: 48

約数和(自身を含む): 477259776

約数和(自身を除く): 280257796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 13151, 14980, 26302, 52604, 65755, 92057, 131510, 184114, 263020, 368228, 460285, 920570, 1407157, 1841140, 2814314, 5628628, 7035785, 9850099, 14071570, 19700198, 28143140, 39400396, 49250495, 98500990, 197001980]

約数ペア:

[(1, 197001980), (2, 98500990), (4, 49250495), (5, 39400396), (7, 28143140), (10, 19700198), (14, 14071570), (20, 9850099), (28, 7035785), (35, 5628628), (70, 2814314), (107, 1841140), (140, 1407157), (214, 920570), (428, 460285), (535, 368228), (749, 263020), (1070, 184114), (1498, 131510), (2140, 92057), (2996, 65755), (3745, 52604), (7490, 26302), (13151, 14980)]