72817780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4861}}^1$

素因数の和:4984

約数の個数: 48

約数和(自身を含む): 176432256

約数和(自身を除く): 103614476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 4861, 7490, 9722, 14980, 19444, 24305, 34027, 48610, 68054, 97220, 136108, 170135, 340270, 520127, 680540, 1040254, 2080508, 2600635, 3640889, 5201270, 7281778, 10402540, 14563556, 18204445, 36408890, 72817780]

約数ペア:

[(1, 72817780), (2, 36408890), (4, 18204445), (5, 14563556), (7, 10402540), (10, 7281778), (14, 5201270), (20, 3640889), (28, 2600635), (35, 2080508), (70, 1040254), (107, 680540), (140, 520127), (214, 340270), (428, 170135), (535, 136108), (749, 97220), (1070, 68054), (1498, 48610), (2140, 34027), (2996, 24305), (3745, 19444), (4861, 14980), (7490, 9722)]