7645540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 18571392

約数和(自身を除く): 10925852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 563, 679, 970, 1126, 1358, 1940, 2252, 2716, 2815, 3395, 3941, 5630, 6790, 7882, 11260, 13580, 15764, 19705, 39410, 54611, 78820, 109222, 218444, 273055, 382277, 546110, 764554, 1092220, 1529108, 1911385, 3822770, 7645540]

約数ペア:

[(1, 7645540), (2, 3822770), (4, 1911385), (5, 1529108), (7, 1092220), (10, 764554), (14, 546110), (20, 382277), (28, 273055), (35, 218444), (70, 109222), (97, 78820), (140, 54611), (194, 39410), (388, 19705), (485, 15764), (563, 13580), (679, 11260), (970, 7882), (1126, 6790), (1358, 5630), (1940, 3941), (2252, 3395), (2716, 2815)]