9969772820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{139907}}^1$

素因数の和:140432

約数の個数: 48

約数和(自身を含む): 23974634880

約数和(自身を除く): 14004862060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2545, 3563, 5090, 7126, 10180, 14252, 17815, 35630, 71260, 139907, 279814, 559628, 699535, 979349, 1399070, 1958698, 2798140, 3917396, 4896745, 9793490, 19586980, 71212663, 142425326, 284850652, 356063315, 498488641, 712126630, 996977282, 1424253260, 1993954564, 2492443205, 4984886410, 9969772820]

約数ペア:

[(1, 9969772820), (2, 4984886410), (4, 2492443205), (5, 1993954564), (7, 1424253260), (10, 996977282), (14, 712126630), (20, 498488641), (28, 356063315), (35, 284850652), (70, 142425326), (140, 71212663), (509, 19586980), (1018, 9793490), (2036, 4896745), (2545, 3917396), (3563, 2798140), (5090, 1958698), (7126, 1399070), (10180, 979349), (14252, 699535), (17815, 559628), (35630, 279814), (71260, 139907)]