291244730

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 665280000

約数和(自身を除く): 374035270

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 41, 49, 70, 82, 95, 98, 109, 133, 190, 205, 218, 245, 266, 287, 343, 410, 490, 545, 574, 665, 686, 763, 779, 931, 1090, 1330, 1435, 1526, 1558, 1715, 1862, 2009, 2071, 2870, 3430, 3815, 3895, 4018, 4142, 4469, 4655, 5341, 5453, 6517, 7630, 7790, 8938, 9310, 10045, 10355, 10682, 10906, 13034, 14063, 14497, 20090, 20710, 22345, 26705, 27265, 28126, 28994, 31283, 32585, 37387, 38171, 44690, 53410, 54530, 62566, 65170, 70315, 72485, 74774, 76342, 84911, 101479, 140630, 144970, 156415, 169822, 186935, 190855, 202958, 218981, 267197, 312830, 373870, 381710, 424555, 437962, 507395, 534394, 594377, 710353, 849110, 1014790, 1094905, 1188754, 1335985, 1420706, 1532867, 2189810, 2671970, 2971885, 3065734, 3551765, 4160639, 5943770, 7103530, 7664335, 8321278, 15328670, 20803195, 29124473, 41606390, 58248946, 145622365, 291244730]

約数ペア:

[(1, 291244730), (2, 145622365), (5, 58248946), (7, 41606390), (10, 29124473), (14, 20803195), (19, 15328670), (35, 8321278), (38, 7664335), (41, 7103530), (49, 5943770), (70, 4160639), (82, 3551765), (95, 3065734), (98, 2971885), (109, 2671970), (133, 2189810), (190, 1532867), (205, 1420706), (218, 1335985), (245, 1188754), (266, 1094905), (287, 1014790), (343, 849110), (410, 710353), (490, 594377), (545, 534394), (574, 507395), (665, 437962), (686, 424555), (763, 381710), (779, 373870), (931, 312830), (1090, 267197), (1330, 218981), (1435, 202958), (1526, 190855), (1558, 186935), (1715, 169822), (1862, 156415), (2009, 144970), (2071, 140630), (2870, 101479), (3430, 84911), (3815, 76342), (3895, 74774), (4018, 72485), (4142, 70315), (4469, 65170), (4655, 62566), (5341, 54530), (5453, 53410), (6517, 44690), (7630, 38171), (7790, 37387), (8938, 32585), (9310, 31283), (10045, 28994), (10355, 28126), (10682, 27265), (10906, 26705), (13034, 22345), (14063, 20710), (14497, 20090)]