678763360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{385661}}^1$

素因数の和:385687

約数の個数: 48

約数和(自身を含む): 1749362832

約数和(自身を除く): 1070599472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 385661, 771322, 1542644, 1928305, 3085288, 3856610, 4242271, 6170576, 7713220, 8484542, 12341152, 15426440, 16969084, 21211355, 30852880, 33938168, 42422710, 61705760, 67876336, 84845420, 135752672, 169690840, 339381680, 678763360]

約数ペア:

[(1, 678763360), (2, 339381680), (4, 169690840), (5, 135752672), (8, 84845420), (10, 67876336), (11, 61705760), (16, 42422710), (20, 33938168), (22, 30852880), (32, 21211355), (40, 16969084), (44, 15426440), (55, 12341152), (80, 8484542), (88, 7713220), (110, 6170576), (160, 4242271), (176, 3856610), (220, 3085288), (352, 1928305), (440, 1542644), (880, 771322), (1760, 385661)]