20171812300

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{823}}^1\times {\mathrm{1871}}^1$

素因数の和:2839

約数の個数: 72

約数和(自身を含む): 44184172032

約数和(自身を除く): 24012359732

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 823, 1310, 1646, 1871, 2620, 3275, 3292, 3742, 4115, 6550, 7484, 8230, 9355, 13100, 16460, 18710, 20575, 37420, 41150, 46775, 82300, 93550, 107813, 187100, 215626, 245101, 431252, 490202, 539065, 980404, 1078130, 1225505, 1539833, 2156260, 2451010, 2695325, 3079666, 4902020, 5390650, 6127525, 6159332, 7699165, 10781300, 12255050, 15398330, 24510100, 30796660, 38495825, 76991650, 153983300, 201718123, 403436246, 806872492, 1008590615, 2017181230, 4034362460, 5042953075, 10085906150, 20171812300]

約数ペア:

[(1, 20171812300), (2, 10085906150), (4, 5042953075), (5, 4034362460), (10, 2017181230), (20, 1008590615), (25, 806872492), (50, 403436246), (100, 201718123), (131, 153983300), (262, 76991650), (524, 38495825), (655, 30796660), (823, 24510100), (1310, 15398330), (1646, 12255050), (1871, 10781300), (2620, 7699165), (3275, 6159332), (3292, 6127525), (3742, 5390650), (4115, 4902020), (6550, 3079666), (7484, 2695325), (8230, 2451010), (9355, 2156260), (13100, 1539833), (16460, 1225505), (18710, 1078130), (20575, 980404), (37420, 539065), (41150, 490202), (46775, 431252), (82300, 245101), (93550, 215626), (107813, 187100)]