30625540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1301}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 70870464

約数和(自身を除く): 40244924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 1301, 2140, 2354, 2602, 4708, 5204, 5885, 6505, 11770, 13010, 14311, 23540, 26020, 28622, 57244, 71555, 139207, 143110, 278414, 286220, 556828, 696035, 1392070, 1531277, 2784140, 3062554, 6125108, 7656385, 15312770, 30625540]

約数ペア:

[(1, 30625540), (2, 15312770), (4, 7656385), (5, 6125108), (10, 3062554), (11, 2784140), (20, 1531277), (22, 1392070), (44, 696035), (55, 556828), (107, 286220), (110, 278414), (214, 143110), (220, 139207), (428, 71555), (535, 57244), (1070, 28622), (1177, 26020), (1301, 23540), (2140, 14311), (2354, 13010), (2602, 11770), (4708, 6505), (5204, 5885)]