1900863020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{256181}}^1$

素因数の和:256250

約数の個数: 48

約数和(自身を含む): 4648166208

約数和(自身を除く): 2747303188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 256181, 512362, 1024724, 1280905, 1793267, 2561810, 3586534, 5123620, 7173068, 8966335, 13577593, 17932670, 27155186, 35865340, 54310372, 67887965, 95043151, 135775930, 190086302, 271551860, 380172604, 475215755, 950431510, 1900863020]

約数ペア:

[(1, 1900863020), (2, 950431510), (4, 475215755), (5, 380172604), (7, 271551860), (10, 190086302), (14, 135775930), (20, 95043151), (28, 67887965), (35, 54310372), (53, 35865340), (70, 27155186), (106, 17932670), (140, 13577593), (212, 8966335), (265, 7173068), (371, 5123620), (530, 3586534), (742, 2561810), (1060, 1793267), (1484, 1280905), (1855, 1024724), (3710, 512362), (7420, 256181)]