42920290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21143}}^1$

素因数の和:21186

約数の個数: 32

約数和(自身を含む): 91342080

約数和(自身を除く): 48421790

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 21143, 42286, 105715, 148001, 211430, 296002, 613147, 740005, 1226294, 1480010, 3065735, 4292029, 6131470, 8584058, 21460145, 42920290]

約数ペア:

[(1, 42920290), (2, 21460145), (5, 8584058), (7, 6131470), (10, 4292029), (14, 3065735), (29, 1480010), (35, 1226294), (58, 740005), (70, 613147), (145, 296002), (203, 211430), (290, 148001), (406, 105715), (1015, 42286), (2030, 21143)]