391000060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{3889}}^1$

素因数の和:4366

約数の個数: 48

約数和(自身を含む): 897936480

約数和(自身を除く): 506936420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 457, 914, 1828, 2285, 3889, 4570, 5027, 7778, 9140, 10054, 15556, 19445, 20108, 25135, 38890, 42779, 50270, 77780, 85558, 100540, 171116, 213895, 427790, 855580, 1777273, 3554546, 7109092, 8886365, 17772730, 19550003, 35545460, 39100006, 78200012, 97750015, 195500030, 391000060]

約数ペア:

[(1, 391000060), (2, 195500030), (4, 97750015), (5, 78200012), (10, 39100006), (11, 35545460), (20, 19550003), (22, 17772730), (44, 8886365), (55, 7109092), (110, 3554546), (220, 1777273), (457, 855580), (914, 427790), (1828, 213895), (2285, 171116), (3889, 100540), (4570, 85558), (5027, 77780), (7778, 50270), (9140, 42779), (10054, 38890), (15556, 25135), (19445, 20108)]