190808217640

素因数分解:

$2^3\times 5^1\times {\mathrm{19421}}^1\times {\mathrm{245621}}^1$

素因数の和:265053

約数の個数: 32

約数和(自身を含む): 429342343560

約数和(自身を除く): 238534125920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 19421, 38842, 77684, 97105, 155368, 194210, 245621, 388420, 491242, 776840, 982484, 1228105, 1964968, 2456210, 4912420, 9824840, 4770205441, 9540410882, 19080821764, 23851027205, 38161643528, 47702054410, 95404108820, 190808217640]

約数ペア:

[(1, 190808217640), (2, 95404108820), (4, 47702054410), (5, 38161643528), (8, 23851027205), (10, 19080821764), (20, 9540410882), (40, 4770205441), (19421, 9824840), (38842, 4912420), (77684, 2456210), (97105, 1964968), (155368, 1228105), (194210, 982484), (245621, 776840), (388420, 491242)]