145456540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 313657344

約数和(自身を除く): 168200804

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 271, 470, 542, 571, 940, 1084, 1142, 1355, 2284, 2710, 2855, 5420, 5710, 11420, 12737, 25474, 26837, 50948, 53674, 63685, 107348, 127370, 134185, 154741, 254740, 268370, 309482, 536740, 618964, 773705, 1547410, 3094820, 7272827, 14545654, 29091308, 36364135, 72728270, 145456540]

約数ペア:

[(1, 145456540), (2, 72728270), (4, 36364135), (5, 29091308), (10, 14545654), (20, 7272827), (47, 3094820), (94, 1547410), (188, 773705), (235, 618964), (271, 536740), (470, 309482), (542, 268370), (571, 254740), (940, 154741), (1084, 134185), (1142, 127370), (1355, 107348), (2284, 63685), (2710, 53674), (2855, 50948), (5420, 26837), (5710, 25474), (11420, 12737)]