1294420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 2765448

約数和(自身を除く): 1471028

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1061, 1220, 2122, 4244, 5305, 10610, 21220, 64721, 129442, 258884, 323605, 647210, 1294420]

約数ペア:

[(1, 1294420), (2, 647210), (4, 323605), (5, 258884), (10, 129442), (20, 64721), (61, 21220), (122, 10610), (244, 5305), (305, 4244), (610, 2122), (1061, 1220)]