131543620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29761}}^1$

素因数の和:29800

約数の個数: 48

約数和(自身を含む): 315001008

約数和(自身を除く): 183457388

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 29761, 59522, 119044, 148805, 297610, 386893, 505937, 595220, 773786, 1011874, 1547572, 1934465, 2023748, 2529685, 3868930, 5059370, 6577181, 7737860, 10118740, 13154362, 26308724, 32885905, 65771810, 131543620]

約数ペア:

[(1, 131543620), (2, 65771810), (4, 32885905), (5, 26308724), (10, 13154362), (13, 10118740), (17, 7737860), (20, 6577181), (26, 5059370), (34, 3868930), (52, 2529685), (65, 2023748), (68, 1934465), (85, 1547572), (130, 1011874), (170, 773786), (221, 595220), (260, 505937), (340, 386893), (442, 297610), (884, 148805), (1105, 119044), (2210, 59522), (4420, 29761)]