89040980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4051}}^1$

素因数の和:4224

約数の個数: 48

約数和(自身を含む): 215112576

約数和(自身を除く): 126071596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4051, 4396, 5495, 8102, 10990, 16204, 20255, 21980, 28357, 40510, 56714, 81020, 113428, 141785, 283570, 567140, 636007, 1272014, 2544028, 3180035, 4452049, 6360070, 8904098, 12720140, 17808196, 22260245, 44520490, 89040980]

約数ペア:

[(1, 89040980), (2, 44520490), (4, 22260245), (5, 17808196), (7, 12720140), (10, 8904098), (14, 6360070), (20, 4452049), (28, 3180035), (35, 2544028), (70, 1272014), (140, 636007), (157, 567140), (314, 283570), (628, 141785), (785, 113428), (1099, 81020), (1570, 56714), (2198, 40510), (3140, 28357), (4051, 21980), (4396, 20255), (5495, 16204), (8102, 10990)]