201914620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 430059168

約数和(自身を除く): 228144548

約数列:

[1, 2, 4, 5, 10, 20, 163, 241, 257, 326, 482, 514, 652, 815, 964, 1028, 1205, 1285, 1630, 2410, 2570, 3260, 4820, 5140, 39283, 41891, 61937, 78566, 83782, 123874, 157132, 167564, 196415, 209455, 247748, 309685, 392830, 418910, 619370, 785660, 837820, 1238740, 10095731, 20191462, 40382924, 50478655, 100957310, 201914620]

約数ペア:

[(1, 201914620), (2, 100957310), (4, 50478655), (5, 40382924), (10, 20191462), (20, 10095731), (163, 1238740), (241, 837820), (257, 785660), (326, 619370), (482, 418910), (514, 392830), (652, 309685), (815, 247748), (964, 209455), (1028, 196415), (1205, 167564), (1285, 157132), (1630, 123874), (2410, 83782), (2570, 78566), (3260, 61937), (4820, 41891), (5140, 39283)]