869593840

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 2054439936

約数和(自身を除く): 1184846096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 281, 383, 404, 505, 562, 766, 808, 1010, 1124, 1405, 1532, 1616, 1915, 2020, 2248, 2810, 3064, 3830, 4040, 4496, 5620, 6128, 7660, 8080, 11240, 15320, 22480, 28381, 30640, 38683, 56762, 77366, 107623, 113524, 141905, 154732, 193415, 215246, 227048, 283810, 309464, 386830, 430492, 454096, 538115, 567620, 618928, 773660, 860984, 1076230, 1135240, 1547320, 1721968, 2152460, 2270480, 3094640, 4304920, 8609840, 10869923, 21739846, 43479692, 54349615, 86959384, 108699230, 173918768, 217398460, 434796920, 869593840]

約数ペア:

[(1, 869593840), (2, 434796920), (4, 217398460), (5, 173918768), (8, 108699230), (10, 86959384), (16, 54349615), (20, 43479692), (40, 21739846), (80, 10869923), (101, 8609840), (202, 4304920), (281, 3094640), (383, 2270480), (404, 2152460), (505, 1721968), (562, 1547320), (766, 1135240), (808, 1076230), (1010, 860984), (1124, 773660), (1405, 618928), (1532, 567620), (1616, 538115), (1915, 454096), (2020, 430492), (2248, 386830), (2810, 309464), (3064, 283810), (3830, 227048), (4040, 215246), (4496, 193415), (5620, 154732), (6128, 141905), (7660, 113524), (8080, 107623), (11240, 77366), (15320, 56762), (22480, 38683), (28381, 30640)]