28121740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{773}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 63195552

約数和(自身を除く): 35073812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 773, 1070, 1546, 1819, 2140, 3092, 3638, 3865, 7276, 7730, 9095, 13141, 15460, 18190, 26282, 36380, 52564, 65705, 82711, 131410, 165422, 262820, 330844, 413555, 827110, 1406087, 1654220, 2812174, 5624348, 7030435, 14060870, 28121740]

約数ペア:

[(1, 28121740), (2, 14060870), (4, 7030435), (5, 5624348), (10, 2812174), (17, 1654220), (20, 1406087), (34, 827110), (68, 413555), (85, 330844), (107, 262820), (170, 165422), (214, 131410), (340, 82711), (428, 65705), (535, 52564), (773, 36380), (1070, 26282), (1546, 18190), (1819, 15460), (2140, 13141), (3092, 9095), (3638, 7730), (3865, 7276)]