42108290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20743}}^1$

素因数の和:20786

約数の個数: 32

約数和(自身を含む): 89614080

約数和(自身を除く): 47505790

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 20743, 41486, 103715, 145201, 207430, 290402, 601547, 726005, 1203094, 1452010, 3007735, 4210829, 6015470, 8421658, 21054145, 42108290]

約数ペア:

[(1, 42108290), (2, 21054145), (5, 8421658), (7, 6015470), (10, 4210829), (14, 3007735), (29, 1452010), (35, 1203094), (58, 726005), (70, 601547), (145, 290402), (203, 207430), (290, 145201), (406, 103715), (1015, 41486), (2030, 20743)]