42420910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20897}}^1$

素因数の和:20940

約数の個数: 32

約数和(自身を含む): 90279360

約数和(自身を除く): 47858450

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 20897, 41794, 104485, 146279, 208970, 292558, 606013, 731395, 1212026, 1462790, 3030065, 4242091, 6060130, 8484182, 21210455, 42420910]

約数ペア:

[(1, 42420910), (2, 21210455), (5, 8484182), (7, 6060130), (10, 4242091), (14, 3030065), (29, 1462790), (35, 1212026), (58, 731395), (70, 606013), (145, 292558), (203, 208970), (290, 146279), (406, 104485), (1015, 41794), (2030, 20897)]