642420250700

素因数分解:

$2^2\times 5^2\times {\mathrm{509}}^1\times {\mathrm{2437}}^1\times {\mathrm{5179}}^1$

素因数の和:8139

約数の個数: 72

約数和(自身を含む): 1397633722800

約数和(自身を除く): 755213472100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 509, 1018, 2036, 2437, 2545, 4874, 5090, 5179, 9748, 10180, 10358, 12185, 12725, 20716, 24370, 25450, 25895, 48740, 50900, 51790, 60925, 103580, 121850, 129475, 243700, 258950, 517900, 1240433, 2480866, 2636111, 4961732, 5272222, 6202165, 10544444, 12404330, 12621223, 13180555, 24808660, 25242446, 26361110, 31010825, 50484892, 52722220, 62021650, 63106115, 65902775, 124043300, 126212230, 131805550, 252424460, 263611100, 315530575, 631061150, 1262122300, 6424202507, 12848405014, 25696810028, 32121012535, 64242025070, 128484050140, 160605062675, 321210125350, 642420250700]

約数ペア:

[(1, 642420250700), (2, 321210125350), (4, 160605062675), (5, 128484050140), (10, 64242025070), (20, 32121012535), (25, 25696810028), (50, 12848405014), (100, 6424202507), (509, 1262122300), (1018, 631061150), (2036, 315530575), (2437, 263611100), (2545, 252424460), (4874, 131805550), (5090, 126212230), (5179, 124043300), (9748, 65902775), (10180, 63106115), (10358, 62021650), (12185, 52722220), (12725, 50484892), (20716, 31010825), (24370, 26361110), (25450, 25242446), (25895, 24808660), (48740, 13180555), (50900, 12621223), (51790, 12404330), (60925, 10544444), (103580, 6202165), (121850, 5272222), (129475, 4961732), (243700, 2636111), (258950, 2480866), (517900, 1240433)]