90805210

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{148861}}^1$

素因数の和:148929

約数の個数: 16

約数和(自身を含む): 166129992

約数和(自身を除く): 75324782

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 148861, 297722, 744305, 1488610, 9080521, 18161042, 45402605, 90805210]

約数ペア:

[(1, 90805210), (2, 45402605), (5, 18161042), (10, 9080521), (61, 1488610), (122, 744305), (305, 297722), (610, 148861)]