1900522640

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{137321}}^1$

素因数の和:137507

約数の個数: 40

約数和(自身を含む): 4444289208

約数和(自身を除く): 2543766568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 137321, 274642, 549284, 686605, 1098568, 1373210, 2197136, 2746420, 5492840, 10985680, 23756533, 47513066, 95026132, 118782665, 190052264, 237565330, 380104528, 475130660, 950261320, 1900522640]

約数ペア:

[(1, 1900522640), (2, 950261320), (4, 475130660), (5, 380104528), (8, 237565330), (10, 190052264), (16, 118782665), (20, 95026132), (40, 47513066), (80, 23756533), (173, 10985680), (346, 5492840), (692, 2746420), (865, 2197136), (1384, 1373210), (1730, 1098568), (2768, 686605), (3460, 549284), (6920, 274642), (13840, 137321)]