201045980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1381}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 438812640

約数和(自身を除く): 237766660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 251, 290, 502, 580, 1004, 1255, 1381, 2510, 2762, 5020, 5524, 6905, 7279, 13810, 14558, 27620, 29116, 36395, 40049, 72790, 80098, 145580, 160196, 200245, 346631, 400490, 693262, 800980, 1386524, 1733155, 3466310, 6932620, 10052299, 20104598, 40209196, 50261495, 100522990, 201045980]

約数ペア:

[(1, 201045980), (2, 100522990), (4, 50261495), (5, 40209196), (10, 20104598), (20, 10052299), (29, 6932620), (58, 3466310), (116, 1733155), (145, 1386524), (251, 800980), (290, 693262), (502, 400490), (580, 346631), (1004, 200245), (1255, 160196), (1381, 145580), (2510, 80098), (2762, 72790), (5020, 40049), (5524, 36395), (6905, 29116), (7279, 27620), (13810, 14558)]