19998652520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{590279}}^1$

素因数の和:590319

約数の個数: 96

約数和(自身を含む): 56525212800

約数和(自身を除く): 36526560280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 121, 140, 154, 220, 242, 280, 308, 385, 440, 484, 605, 616, 770, 847, 968, 1210, 1540, 1694, 2420, 3080, 3388, 4235, 4840, 6776, 8470, 16940, 33880, 590279, 1180558, 2361116, 2951395, 4131953, 4722232, 5902790, 6493069, 8263906, 11805580, 12986138, 16527812, 20659765, 23611160, 25972276, 32465345, 33055624, 41319530, 45451483, 51944552, 64930690, 71423759, 82639060, 90902966, 129861380, 142847518, 165278120, 181805932, 227257415, 259722760, 285695036, 357118795, 363611864, 454514830, 499966313, 571390072, 714237590, 909029660, 999932626, 1428475180, 1818059320, 1999865252, 2499831565, 2856950360, 3999730504, 4999663130, 9999326260, 19998652520]

約数ペア:

[(1, 19998652520), (2, 9999326260), (4, 4999663130), (5, 3999730504), (7, 2856950360), (8, 2499831565), (10, 1999865252), (11, 1818059320), (14, 1428475180), (20, 999932626), (22, 909029660), (28, 714237590), (35, 571390072), (40, 499966313), (44, 454514830), (55, 363611864), (56, 357118795), (70, 285695036), (77, 259722760), (88, 227257415), (110, 181805932), (121, 165278120), (140, 142847518), (154, 129861380), (220, 90902966), (242, 82639060), (280, 71423759), (308, 64930690), (385, 51944552), (440, 45451483), (484, 41319530), (605, 33055624), (616, 32465345), (770, 25972276), (847, 23611160), (968, 20659765), (1210, 16527812), (1540, 12986138), (1694, 11805580), (2420, 8263906), (3080, 6493069), (3388, 5902790), (4235, 4722232), (4840, 4131953), (6776, 2951395), (8470, 2361116), (16940, 1180558), (33880, 590279)]