31916220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75991}}^1$

素因数の和:76010

約数の個数: 48

約数和(自身を含む): 102133248

約数和(自身を除く): 70217028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 75991, 151982, 227973, 303964, 379955, 455946, 531937, 759910, 911892, 1063874, 1139865, 1519820, 1595811, 2127748, 2279730, 2659685, 3191622, 4559460, 5319370, 6383244, 7979055, 10638740, 15958110, 31916220]

約数ペア:

[(1, 31916220), (2, 15958110), (3, 10638740), (4, 7979055), (5, 6383244), (6, 5319370), (7, 4559460), (10, 3191622), (12, 2659685), (14, 2279730), (15, 2127748), (20, 1595811), (21, 1519820), (28, 1139865), (30, 1063874), (35, 911892), (42, 759910), (60, 531937), (70, 455946), (84, 379955), (105, 303964), (140, 227973), (210, 151982), (420, 75991)]