912849980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{138731}}^1$

素因数の和:138794

約数の個数: 48

約数和(自身を含む): 2237469696

約数和(自身を除く): 1324619716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 138731, 277462, 554924, 693655, 971117, 1387310, 1942234, 2774620, 3884468, 4855585, 6520357, 9711170, 13040714, 19422340, 26081428, 32601785, 45642499, 65203570, 91284998, 130407140, 182569996, 228212495, 456424990, 912849980]

約数ペア:

[(1, 912849980), (2, 456424990), (4, 228212495), (5, 182569996), (7, 130407140), (10, 91284998), (14, 65203570), (20, 45642499), (28, 32601785), (35, 26081428), (47, 19422340), (70, 13040714), (94, 9711170), (140, 6520357), (188, 4855585), (235, 3884468), (329, 2774620), (470, 1942234), (658, 1387310), (940, 971117), (1316, 693655), (1645, 554924), (3290, 277462), (6580, 138731)]