20185398100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{111337}}^1$

素因数の和:111402

約数の個数: 108

約数和(自身を含む): 52331309436

約数和(自身を除く): 32145911336

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 49, 50, 70, 74, 98, 100, 140, 148, 175, 185, 196, 245, 259, 350, 370, 490, 518, 700, 740, 925, 980, 1036, 1225, 1295, 1813, 1850, 2450, 2590, 3626, 3700, 4900, 5180, 6475, 7252, 9065, 12950, 18130, 25900, 36260, 45325, 90650, 111337, 181300, 222674, 445348, 556685, 779359, 1113370, 1558718, 2226740, 2783425, 3117436, 3896795, 4119469, 5455513, 5566850, 7793590, 8238938, 10911026, 11133700, 15587180, 16477876, 19483975, 20597345, 21822052, 27277565, 28836283, 38967950, 41194690, 54555130, 57672566, 77935900, 82389380, 102986725, 109110260, 115345132, 136387825, 144181415, 201853981, 205973450, 272775650, 288362830, 403707962, 411946900, 545551300, 576725660, 720907075, 807415924, 1009269905, 1441814150, 2018539810, 2883628300, 4037079620, 5046349525, 10092699050, 20185398100]

約数ペア:

[(1, 20185398100), (2, 10092699050), (4, 5046349525), (5, 4037079620), (7, 2883628300), (10, 2018539810), (14, 1441814150), (20, 1009269905), (25, 807415924), (28, 720907075), (35, 576725660), (37, 545551300), (49, 411946900), (50, 403707962), (70, 288362830), (74, 272775650), (98, 205973450), (100, 201853981), (140, 144181415), (148, 136387825), (175, 115345132), (185, 109110260), (196, 102986725), (245, 82389380), (259, 77935900), (350, 57672566), (370, 54555130), (490, 41194690), (518, 38967950), (700, 28836283), (740, 27277565), (925, 21822052), (980, 20597345), (1036, 19483975), (1225, 16477876), (1295, 15587180), (1813, 11133700), (1850, 10911026), (2450, 8238938), (2590, 7793590), (3626, 5566850), (3700, 5455513), (4900, 4119469), (5180, 3896795), (6475, 3117436), (7252, 2783425), (9065, 2226740), (12950, 1558718), (18130, 1113370), (25900, 779359), (36260, 556685), (45325, 445348), (90650, 222674), (111337, 181300)]