42215690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 84460320

約数和(自身を除く): 42244630

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 139, 242, 251, 278, 502, 605, 695, 1210, 1255, 1390, 1529, 2510, 2761, 3058, 5522, 7645, 13805, 15290, 16819, 27610, 30371, 33638, 34889, 60742, 69778, 84095, 151855, 168190, 174445, 303710, 348890, 383779, 767558, 1918895, 3837790, 4221569, 8443138, 21107845, 42215690]

約数ペア:

[(1, 42215690), (2, 21107845), (5, 8443138), (10, 4221569), (11, 3837790), (22, 1918895), (55, 767558), (110, 383779), (121, 348890), (139, 303710), (242, 174445), (251, 168190), (278, 151855), (502, 84095), (605, 69778), (695, 60742), (1210, 34889), (1255, 33638), (1390, 30371), (1529, 27610), (2510, 16819), (2761, 15290), (3058, 13805), (5522, 7645)]