871569140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{176431}}^1$

素因数の和:176472

約数の個数: 48

約数和(自身を含む): 2074840320

約数和(自身を除く): 1203271180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 176431, 352862, 705724, 882155, 1764310, 2293603, 3352189, 3528620, 4587206, 6704378, 9174412, 11468015, 13408756, 16760945, 22936030, 33521890, 43578457, 45872060, 67043780, 87156914, 174313828, 217892285, 435784570, 871569140]

約数ペア:

[(1, 871569140), (2, 435784570), (4, 217892285), (5, 174313828), (10, 87156914), (13, 67043780), (19, 45872060), (20, 43578457), (26, 33521890), (38, 22936030), (52, 16760945), (65, 13408756), (76, 11468015), (95, 9174412), (130, 6704378), (190, 4587206), (247, 3528620), (260, 3352189), (380, 2293603), (494, 1764310), (988, 882155), (1235, 705724), (2470, 352862), (4940, 176431)]