89790820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15643}}^1$

素因数の和:15700

約数の個数: 48

約数和(自身を含む): 220768128

約数和(自身を除く): 130977308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 15643, 31286, 62572, 78215, 109501, 156430, 219002, 312860, 438004, 547505, 641363, 1095010, 1282726, 2190020, 2565452, 3206815, 4489541, 6413630, 8979082, 12827260, 17958164, 22447705, 44895410, 89790820]

約数ペア:

[(1, 89790820), (2, 44895410), (4, 22447705), (5, 17958164), (7, 12827260), (10, 8979082), (14, 6413630), (20, 4489541), (28, 3206815), (35, 2565452), (41, 2190020), (70, 1282726), (82, 1095010), (140, 641363), (164, 547505), (205, 438004), (287, 312860), (410, 219002), (574, 156430), (820, 109501), (1148, 78215), (1435, 62572), (2870, 31286), (5740, 15643)]