227777980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{1451}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 491774976

約数和(自身を除く): 263996996

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 167, 188, 235, 334, 470, 668, 835, 940, 1451, 1670, 2902, 3340, 5804, 7255, 7849, 14510, 15698, 29020, 31396, 39245, 68197, 78490, 136394, 156980, 242317, 272788, 340985, 484634, 681970, 969268, 1211585, 1363940, 2423170, 4846340, 11388899, 22777798, 45555596, 56944495, 113888990, 227777980]

約数ペア:

[(1, 227777980), (2, 113888990), (4, 56944495), (5, 45555596), (10, 22777798), (20, 11388899), (47, 4846340), (94, 2423170), (167, 1363940), (188, 1211585), (235, 969268), (334, 681970), (470, 484634), (668, 340985), (835, 272788), (940, 242317), (1451, 156980), (1670, 136394), (2902, 78490), (3340, 68197), (5804, 39245), (7255, 31396), (7849, 29020), (14510, 15698)]