2159202220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{144139}}^1$

素因数の和:144262

約数の個数: 48

約数和(自身を含む): 5230552320

約数和(自身を除く): 3071350100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14980, 144139, 288278, 576556, 720695, 1008973, 1441390, 2017946, 2882780, 4035892, 5044865, 10089730, 15422873, 20179460, 30845746, 61691492, 77114365, 107960111, 154228730, 215920222, 308457460, 431840444, 539800555, 1079601110, 2159202220]

約数ペア:

[(1, 2159202220), (2, 1079601110), (4, 539800555), (5, 431840444), (7, 308457460), (10, 215920222), (14, 154228730), (20, 107960111), (28, 77114365), (35, 61691492), (70, 30845746), (107, 20179460), (140, 15422873), (214, 10089730), (428, 5044865), (535, 4035892), (749, 2882780), (1070, 2017946), (1498, 1441390), (2140, 1008973), (2996, 720695), (3745, 576556), (7490, 288278), (14980, 144139)]