289022200

素因数分解:

$2^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{5623}}^1$

素因数の和:5896

約数の個数: 48

約数和(自身を含む): 674711280

約数和(自身を除く): 385689080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 257, 514, 1028, 1285, 2056, 2570, 5140, 5623, 6425, 10280, 11246, 12850, 22492, 25700, 28115, 44984, 51400, 56230, 112460, 140575, 224920, 281150, 562300, 1124600, 1445111, 2890222, 5780444, 7225555, 11560888, 14451110, 28902220, 36127775, 57804440, 72255550, 144511100, 289022200]

約数ペア:

[(1, 289022200), (2, 144511100), (4, 72255550), (5, 57804440), (8, 36127775), (10, 28902220), (20, 14451110), (25, 11560888), (40, 7225555), (50, 5780444), (100, 2890222), (200, 1445111), (257, 1124600), (514, 562300), (1028, 281150), (1285, 224920), (2056, 140575), (2570, 112460), (5140, 56230), (5623, 51400), (6425, 44984), (10280, 28115), (11246, 25700), (12850, 22492)]