245722015

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1249}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 379620000

約数和(自身を除く): 133897985

約数列:

[1, 5, 7, 11, 35, 49, 55, 73, 77, 245, 365, 385, 511, 539, 803, 1249, 2555, 2695, 3577, 4015, 5621, 6245, 8743, 13739, 17885, 28105, 39347, 43715, 61201, 68695, 91177, 96173, 196735, 306005, 455885, 480865, 638239, 673211, 1002947, 3191195, 3366055, 4467673, 5014735, 7020629, 22338365, 35103145, 49144403, 245722015]

約数ペア:

[(1, 245722015), (5, 49144403), (7, 35103145), (11, 22338365), (35, 7020629), (49, 5014735), (55, 4467673), (73, 3366055), (77, 3191195), (245, 1002947), (365, 673211), (385, 638239), (511, 480865), (539, 455885), (803, 306005), (1249, 196735), (2555, 96173), (2695, 91177), (3577, 68695), (4015, 61201), (5621, 43715), (6245, 39347), (8743, 28105), (13739, 17885)]