2019982160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{212183}}^1$

素因数の和:212220

約数の個数: 80

約数和(自身を含む): 5683136256

約数和(自身を除く): 3663154096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 212183, 424366, 848732, 1060915, 1485281, 1697464, 2121830, 2970562, 3394928, 3607111, 4243660, 5941124, 7214222, 7426405, 8487320, 11882248, 14428444, 14852810, 16974640, 18035555, 23764496, 25249777, 28856888, 29705620, 36071110, 50499554, 57713776, 59411240, 72142220, 100999108, 118822480, 126248885, 144284440, 201998216, 252497770, 288568880, 403996432, 504995540, 1009991080, 2019982160]

約数ペア:

[(1, 2019982160), (2, 1009991080), (4, 504995540), (5, 403996432), (7, 288568880), (8, 252497770), (10, 201998216), (14, 144284440), (16, 126248885), (17, 118822480), (20, 100999108), (28, 72142220), (34, 59411240), (35, 57713776), (40, 50499554), (56, 36071110), (68, 29705620), (70, 28856888), (80, 25249777), (85, 23764496), (112, 18035555), (119, 16974640), (136, 14852810), (140, 14428444), (170, 11882248), (238, 8487320), (272, 7426405), (280, 7214222), (340, 5941124), (476, 4243660), (560, 3607111), (595, 3394928), (680, 2970562), (952, 2121830), (1190, 1697464), (1360, 1485281), (1904, 1060915), (2380, 848732), (4760, 424366), (9520, 212183)]