1021925380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1042781}}^1$

素因数の和:1042804

約数の個数: 36

約数和(自身を含む): 2496420108

約数和(自身を除く): 1474494728

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1042781, 2085562, 4171124, 5213905, 7299467, 10427810, 14598934, 20855620, 29197868, 36497335, 51096269, 72994670, 102192538, 145989340, 204385076, 255481345, 510962690, 1021925380]

約数ペア:

[(1, 1021925380), (2, 510962690), (4, 255481345), (5, 204385076), (7, 145989340), (10, 102192538), (14, 72994670), (20, 51096269), (28, 36497335), (35, 29197868), (49, 20855620), (70, 14598934), (98, 10427810), (140, 7299467), (196, 5213905), (245, 4171124), (490, 2085562), (980, 1042781)]