858376540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1697}}^1\times {\mathrm{3613}}^1$

素因数の和:5326

約数の個数: 48

約数和(自身を含む): 2061888192

約数和(自身を除く): 1203511652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1697, 3394, 3613, 6788, 7226, 8485, 11879, 14452, 16970, 18065, 23758, 25291, 33940, 36130, 47516, 50582, 59395, 72260, 101164, 118790, 126455, 237580, 252910, 505820, 6131261, 12262522, 24525044, 30656305, 42918827, 61312610, 85837654, 122625220, 171675308, 214594135, 429188270, 858376540]

約数ペア:

[(1, 858376540), (2, 429188270), (4, 214594135), (5, 171675308), (7, 122625220), (10, 85837654), (14, 61312610), (20, 42918827), (28, 30656305), (35, 24525044), (70, 12262522), (140, 6131261), (1697, 505820), (3394, 252910), (3613, 237580), (6788, 126455), (7226, 118790), (8485, 101164), (11879, 72260), (14452, 59395), (16970, 50582), (18065, 47516), (23758, 36130), (25291, 33940)]