823400980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{3533}}^1$

素因数の和:3856

約数の個数: 48

約数和(自身を含む): 1776386304

約数和(自身を除く): 952985324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 271, 430, 542, 860, 1084, 1355, 2710, 3533, 5420, 7066, 11653, 14132, 17665, 23306, 35330, 46612, 58265, 70660, 116530, 151919, 233060, 303838, 607676, 759595, 957443, 1519190, 1914886, 3038380, 3829772, 4787215, 9574430, 19148860, 41170049, 82340098, 164680196, 205850245, 411700490, 823400980]

約数ペア:

[(1, 823400980), (2, 411700490), (4, 205850245), (5, 164680196), (10, 82340098), (20, 41170049), (43, 19148860), (86, 9574430), (172, 4787215), (215, 3829772), (271, 3038380), (430, 1914886), (542, 1519190), (860, 957443), (1084, 759595), (1355, 607676), (2710, 303838), (3533, 233060), (5420, 151919), (7066, 116530), (11653, 70660), (14132, 58265), (17665, 46612), (23306, 35330)]