142222220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:583

約数の個数: 96

約数和(自身を含む): 362987520

約数和(自身を除く): 220765300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 127, 133, 140, 190, 254, 266, 380, 421, 508, 532, 635, 665, 842, 889, 1270, 1330, 1684, 1778, 2105, 2413, 2540, 2660, 2947, 3556, 4210, 4445, 4826, 5894, 7999, 8420, 8890, 9652, 11788, 12065, 14735, 15998, 16891, 17780, 24130, 29470, 31996, 33782, 39995, 48260, 53467, 55993, 58940, 67564, 79990, 84455, 106934, 111986, 159980, 168910, 213868, 223972, 267335, 279965, 337820, 374269, 534670, 559930, 748538, 1015873, 1069340, 1119860, 1497076, 1871345, 2031746, 3742690, 4063492, 5079365, 7111111, 7485380, 10158730, 14222222, 20317460, 28444444, 35555555, 71111110, 142222220]

約数ペア:

[(1, 142222220), (2, 71111110), (4, 35555555), (5, 28444444), (7, 20317460), (10, 14222222), (14, 10158730), (19, 7485380), (20, 7111111), (28, 5079365), (35, 4063492), (38, 3742690), (70, 2031746), (76, 1871345), (95, 1497076), (127, 1119860), (133, 1069340), (140, 1015873), (190, 748538), (254, 559930), (266, 534670), (380, 374269), (421, 337820), (508, 279965), (532, 267335), (635, 223972), (665, 213868), (842, 168910), (889, 159980), (1270, 111986), (1330, 106934), (1684, 84455), (1778, 79990), (2105, 67564), (2413, 58940), (2540, 55993), (2660, 53467), (2947, 48260), (3556, 39995), (4210, 33782), (4445, 31996), (4826, 29470), (5894, 24130), (7999, 17780), (8420, 16891), (8890, 15998), (9652, 14735), (11788, 12065)]