890662610

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{4001}}^1$

素因数の和:4318

約数の個数: 32

約数和(自身を含む): 1625996592

約数和(自身を除く): 735333982

約数列:

[1, 2, 5, 10, 113, 197, 226, 394, 565, 985, 1130, 1970, 4001, 8002, 20005, 22261, 40010, 44522, 111305, 222610, 452113, 788197, 904226, 1576394, 2260565, 3940985, 4521130, 7881970, 89066261, 178132522, 445331305, 890662610]

約数ペア:

[(1, 890662610), (2, 445331305), (5, 178132522), (10, 89066261), (113, 7881970), (197, 4521130), (226, 3940985), (394, 2260565), (565, 1576394), (985, 904226), (1130, 788197), (1970, 452113), (4001, 222610), (8002, 111305), (20005, 44522), (22261, 40010)]