306969905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 437944320

約数和(自身を除く): 130974415

約数列:

[1, 5, 11, 31, 43, 53, 55, 79, 155, 215, 265, 341, 395, 473, 583, 869, 1333, 1643, 1705, 2279, 2365, 2449, 2915, 3397, 4187, 4345, 6665, 8215, 11395, 12245, 14663, 16985, 18073, 20935, 25069, 26939, 37367, 46057, 70649, 73315, 90365, 105307, 125345, 129797, 134695, 180041, 186835, 230285, 353245, 526535, 648985, 777139, 900205, 1158377, 1427767, 1980451, 3885695, 5581271, 5791885, 7138835, 9902255, 27906355, 61393981, 306969905]

約数ペア:

[(1, 306969905), (5, 61393981), (11, 27906355), (31, 9902255), (43, 7138835), (53, 5791885), (55, 5581271), (79, 3885695), (155, 1980451), (215, 1427767), (265, 1158377), (341, 900205), (395, 777139), (473, 648985), (583, 526535), (869, 353245), (1333, 230285), (1643, 186835), (1705, 180041), (2279, 134695), (2365, 129797), (2449, 125345), (2915, 105307), (3397, 90365), (4187, 73315), (4345, 70649), (6665, 46057), (8215, 37367), (11395, 26939), (12245, 25069), (14663, 20935), (16985, 18073)]