70913780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{269}}^2$

素因数の和:561

約数の個数: 54

約数和(自身を含む): 173878614

約数和(自身を除く): 102964834

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 269, 490, 538, 980, 1076, 1345, 1883, 2690, 3766, 5380, 7532, 9415, 13181, 18830, 26362, 37660, 52724, 65905, 72361, 131810, 144722, 263620, 289444, 361805, 506527, 723610, 1013054, 1447220, 2026108, 2532635, 3545689, 5065270, 7091378, 10130540, 14182756, 17728445, 35456890, 70913780]

約数ペア:

[(1, 70913780), (2, 35456890), (4, 17728445), (5, 14182756), (7, 10130540), (10, 7091378), (14, 5065270), (20, 3545689), (28, 2532635), (35, 2026108), (49, 1447220), (70, 1013054), (98, 723610), (140, 506527), (196, 361805), (245, 289444), (269, 263620), (490, 144722), (538, 131810), (980, 72361), (1076, 65905), (1345, 52724), (1883, 37660), (2690, 26362), (3766, 18830), (5380, 13181), (7532, 9415)]