129085400

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{4111}}^1$

素因数の和:4284

約数の個数: 48

約数和(自身を含む): 302108640

約数和(自身を除く): 173023240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 628, 785, 1256, 1570, 3140, 3925, 4111, 6280, 7850, 8222, 15700, 16444, 20555, 31400, 32888, 41110, 82220, 102775, 164440, 205550, 411100, 645427, 822200, 1290854, 2581708, 3227135, 5163416, 6454270, 12908540, 16135675, 25817080, 32271350, 64542700, 129085400]

約数ペア:

[(1, 129085400), (2, 64542700), (4, 32271350), (5, 25817080), (8, 16135675), (10, 12908540), (20, 6454270), (25, 5163416), (40, 3227135), (50, 2581708), (100, 1290854), (157, 822200), (200, 645427), (314, 411100), (628, 205550), (785, 164440), (1256, 102775), (1570, 82220), (3140, 41110), (3925, 32888), (4111, 31400), (6280, 20555), (7850, 16444), (8222, 15700)]