4000108

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 8619520

約数和(自身を除く): 4619412

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 103, 133, 146, 206, 266, 292, 412, 511, 532, 721, 1022, 1387, 1442, 1957, 2044, 2774, 2884, 3914, 5548, 7519, 7828, 9709, 13699, 15038, 19418, 27398, 30076, 38836, 52633, 54796, 105266, 142861, 210532, 285722, 571444, 1000027, 2000054, 4000108]

約数ペア:

[(1, 4000108), (2, 2000054), (4, 1000027), (7, 571444), (14, 285722), (19, 210532), (28, 142861), (38, 105266), (73, 54796), (76, 52633), (103, 38836), (133, 30076), (146, 27398), (206, 19418), (266, 15038), (292, 13699), (412, 9709), (511, 7828), (532, 7519), (721, 5548), (1022, 3914), (1387, 2884), (1442, 2774), (1957, 2044)]