138851580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19447}}^1$

素因数の和:19483

約数の個数: 96

約数和(自身を含む): 470486016

約数和(自身を除く): 331634436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 19447, 38894, 58341, 77788, 97235, 116682, 136129, 194470, 233364, 272258, 291705, 330599, 388940, 408387, 544516, 583410, 661198, 680645, 816774, 991797, 1166820, 1322396, 1361290, 1633548, 1652995, 1983594, 2041935, 2314193, 2722580, 3305990, 3967188, 4083870, 4628386, 4958985, 6611980, 6942579, 8167740, 9256772, 9917970, 11570965, 13885158, 19835940, 23141930, 27770316, 34712895, 46283860, 69425790, 138851580]

約数ペア:

[(1, 138851580), (2, 69425790), (3, 46283860), (4, 34712895), (5, 27770316), (6, 23141930), (7, 19835940), (10, 13885158), (12, 11570965), (14, 9917970), (15, 9256772), (17, 8167740), (20, 6942579), (21, 6611980), (28, 4958985), (30, 4628386), (34, 4083870), (35, 3967188), (42, 3305990), (51, 2722580), (60, 2314193), (68, 2041935), (70, 1983594), (84, 1652995), (85, 1633548), (102, 1361290), (105, 1322396), (119, 1166820), (140, 991797), (170, 816774), (204, 680645), (210, 661198), (238, 583410), (255, 544516), (340, 408387), (357, 388940), (420, 330599), (476, 291705), (510, 272258), (595, 233364), (714, 194470), (1020, 136129), (1190, 116682), (1428, 97235), (1785, 77788), (2380, 58341), (3570, 38894), (7140, 19447)]