1392020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 3416448

約数和(自身を除く): 2024428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 163, 244, 305, 326, 427, 610, 652, 815, 854, 1141, 1220, 1630, 1708, 2135, 2282, 3260, 4270, 4564, 5705, 8540, 9943, 11410, 19886, 22820, 39772, 49715, 69601, 99430, 139202, 198860, 278404, 348005, 696010, 1392020]

約数ペア:

[(1, 1392020), (2, 696010), (4, 348005), (5, 278404), (7, 198860), (10, 139202), (14, 99430), (20, 69601), (28, 49715), (35, 39772), (61, 22820), (70, 19886), (122, 11410), (140, 9943), (163, 8540), (244, 5705), (305, 4564), (326, 4270), (427, 3260), (610, 2282), (652, 2135), (815, 1708), (854, 1630), (1141, 1220)]