249631220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{402631}}^1$

素因数の和:402671

約数の個数: 24

約数和(自身を含む): 541137408

約数和(自身を除く): 291506188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 402631, 805262, 1610524, 2013155, 4026310, 8052620, 12481561, 24963122, 49926244, 62407805, 124815610, 249631220]

約数ペア:

[(1, 249631220), (2, 124815610), (4, 62407805), (5, 49926244), (10, 24963122), (20, 12481561), (31, 8052620), (62, 4026310), (124, 2013155), (155, 1610524), (310, 805262), (620, 402631)]