685045540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{2551}}^1$

素因数の和:3052

約数の個数: 48

約数和(自身を含む): 1492001280

約数和(自身を除く): 806955740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 463, 580, 926, 1852, 2315, 2551, 4630, 5102, 9260, 10204, 12755, 13427, 25510, 26854, 51020, 53708, 67135, 73979, 134270, 147958, 268540, 295916, 369895, 739790, 1181113, 1479580, 2362226, 4724452, 5905565, 11811130, 23622260, 34252277, 68504554, 137009108, 171261385, 342522770, 685045540]

約数ペア:

[(1, 685045540), (2, 342522770), (4, 171261385), (5, 137009108), (10, 68504554), (20, 34252277), (29, 23622260), (58, 11811130), (116, 5905565), (145, 4724452), (290, 2362226), (463, 1479580), (580, 1181113), (926, 739790), (1852, 369895), (2315, 295916), (2551, 268540), (4630, 147958), (5102, 134270), (9260, 73979), (10204, 67135), (12755, 53708), (13427, 51020), (25510, 26854)]