138258820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51977}}^1$

素因数の和:52012

約数の個数: 48

約数和(自身を含む): 349292160

約数和(自身を除く): 211033340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 51977, 103954, 207908, 259885, 363839, 519770, 727678, 987563, 1039540, 1455356, 1819195, 1975126, 3638390, 3950252, 4937815, 6912941, 7276780, 9875630, 13825882, 19751260, 27651764, 34564705, 69129410, 138258820]

約数ペア:

[(1, 138258820), (2, 69129410), (4, 34564705), (5, 27651764), (7, 19751260), (10, 13825882), (14, 9875630), (19, 7276780), (20, 6912941), (28, 4937815), (35, 3950252), (38, 3638390), (70, 1975126), (76, 1819195), (95, 1455356), (133, 1039540), (140, 987563), (190, 727678), (266, 519770), (380, 363839), (532, 259885), (665, 207908), (1330, 103954), (2660, 51977)]