819289400

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{61141}}^1$

素因数の和:61224

約数の個数: 48

約数和(自身を含む): 1933310040

約数和(自身を除く): 1114020640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 134, 200, 268, 335, 536, 670, 1340, 1675, 2680, 3350, 6700, 13400, 61141, 122282, 244564, 305705, 489128, 611410, 1222820, 1528525, 2445640, 3057050, 4096447, 6114100, 8192894, 12228200, 16385788, 20482235, 32771576, 40964470, 81928940, 102411175, 163857880, 204822350, 409644700, 819289400]

約数ペア:

[(1, 819289400), (2, 409644700), (4, 204822350), (5, 163857880), (8, 102411175), (10, 81928940), (20, 40964470), (25, 32771576), (40, 20482235), (50, 16385788), (67, 12228200), (100, 8192894), (134, 6114100), (200, 4096447), (268, 3057050), (335, 2445640), (536, 1528525), (670, 1222820), (1340, 611410), (1675, 489128), (2680, 305705), (3350, 244564), (6700, 122282), (13400, 61141)]