198768080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20879}}^1$

素因数の和:20916

約数の個数: 80

約数和(自身を含む): 559249920

約数和(自身を除く): 360481840

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, 20879, 41758, 83516, 104395, 146153, 167032, 208790, 292306, 334064, 354943, 417580, 584612, 709886, 730765, 835160, 1169224, 1419772, 1461530, 1670320, 1774715, 2338448, 2484601, 2839544, 2923060, 3549430, 4969202, 5679088, 5846120, 7098860, 9938404, 11692240, 12423005, 14197720, 19876808, 24846010, 28395440, 39753616, 49692020, 99384040, 198768080]

約数ペア:

[(1, 198768080), (2, 99384040), (4, 49692020), (5, 39753616), (7, 28395440), (8, 24846010), (10, 19876808), (14, 14197720), (16, 12423005), (17, 11692240), (20, 9938404), (28, 7098860), (34, 5846120), (35, 5679088), (40, 4969202), (56, 3549430), (68, 2923060), (70, 2839544), (80, 2484601), (85, 2338448), (112, 1774715), (119, 1670320), (136, 1461530), (140, 1419772), (170, 1169224), (238, 835160), (272, 730765), (280, 709886), (340, 584612), (476, 417580), (560, 354943), (595, 334064), (680, 292306), (952, 208790), (1190, 167032), (1360, 146153), (1904, 104395), (2380, 83516), (4760, 41758), (9520, 20879)]