84966100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 195924960

約数和(自身を除く): 110958860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 197, 227, 380, 394, 454, 475, 788, 908, 950, 985, 1135, 1900, 1970, 2270, 3743, 3940, 4313, 4540, 4925, 5675, 7486, 8626, 9850, 11350, 14972, 17252, 18715, 19700, 21565, 22700, 37430, 43130, 44719, 74860, 86260, 89438, 93575, 107825, 178876, 187150, 215650, 223595, 374300, 431300, 447190, 849661, 894380, 1117975, 1699322, 2235950, 3398644, 4248305, 4471900, 8496610, 16993220, 21241525, 42483050, 84966100]

約数ペア:

[(1, 84966100), (2, 42483050), (4, 21241525), (5, 16993220), (10, 8496610), (19, 4471900), (20, 4248305), (25, 3398644), (38, 2235950), (50, 1699322), (76, 1117975), (95, 894380), (100, 849661), (190, 447190), (197, 431300), (227, 374300), (380, 223595), (394, 215650), (454, 187150), (475, 178876), (788, 107825), (908, 93575), (950, 89438), (985, 86260), (1135, 74860), (1900, 44719), (1970, 43130), (2270, 37430), (3743, 22700), (3940, 21565), (4313, 19700), (4540, 18715), (4925, 17252), (5675, 14972), (7486, 11350), (8626, 9850)]