89183990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43933}}^1$

素因数の和:43976

約数の個数: 32

約数和(自身を含む): 189794880

約数和(自身を除く): 100610890

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 43933, 87866, 219665, 307531, 439330, 615062, 1274057, 1537655, 2548114, 3075310, 6370285, 8918399, 12740570, 17836798, 44591995, 89183990]

約数ペア:

[(1, 89183990), (2, 44591995), (5, 17836798), (7, 12740570), (10, 8918399), (14, 6370285), (29, 3075310), (35, 2548114), (58, 1537655), (70, 1274057), (145, 615062), (203, 439330), (290, 307531), (406, 219665), (1015, 87866), (2030, 43933)]