8909090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 17141760

約数和(自身を除く): 8232670

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 991, 1798, 1982, 4495, 4955, 8990, 9910, 28739, 30721, 57478, 61442, 143695, 153605, 287390, 307210, 890909, 1781818, 4454545, 8909090]

約数ペア:

[(1, 8909090), (2, 4454545), (5, 1781818), (10, 890909), (29, 307210), (31, 287390), (58, 153605), (62, 143695), (145, 61442), (155, 57478), (290, 30721), (310, 28739), (899, 9910), (991, 8990), (1798, 4955), (1982, 4495)]