30988400

素因数分解:

$2^4\times 5^2\times {\mathrm{77471}}^1$

素因数の和:77489

約数の個数: 30

約数和(自身を含む): 74450592

約数和(自身を除く): 43462192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 77471, 154942, 309884, 387355, 619768, 774710, 1239536, 1549420, 1936775, 3098840, 3873550, 6197680, 7747100, 15494200, 30988400]

約数ペア:

[(1, 30988400), (2, 15494200), (4, 7747100), (5, 6197680), (8, 3873550), (10, 3098840), (16, 1936775), (20, 1549420), (25, 1239536), (40, 774710), (50, 619768), (80, 387355), (100, 309884), (200, 154942), (400, 77471)]