90733990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{977}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 168575904

約数和(自身を除く): 77841914

約数列:

[1, 2, 5, 10, 37, 74, 185, 251, 370, 502, 977, 1255, 1954, 2510, 4885, 9287, 9770, 18574, 36149, 46435, 72298, 92870, 180745, 245227, 361490, 490454, 1226135, 2452270, 9073399, 18146798, 45366995, 90733990]

約数ペア:

[(1, 90733990), (2, 45366995), (5, 18146798), (10, 9073399), (37, 2452270), (74, 1226135), (185, 490454), (251, 361490), (370, 245227), (502, 180745), (977, 92870), (1255, 72298), (1954, 46435), (2510, 36149), (4885, 18574), (9287, 9770)]