1242188780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1297}}^1\times {\mathrm{6841}}^1$

素因数の和:8154

約数の個数: 48

約数和(自身を含む): 2983987776

約数和(自身を除く): 1741798996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1297, 2594, 5188, 6485, 6841, 9079, 12970, 13682, 18158, 25940, 27364, 34205, 36316, 45395, 47887, 68410, 90790, 95774, 136820, 181580, 191548, 239435, 478870, 957740, 8872777, 17745554, 35491108, 44363885, 62109439, 88727770, 124218878, 177455540, 248437756, 310547195, 621094390, 1242188780]

約数ペア:

[(1, 1242188780), (2, 621094390), (4, 310547195), (5, 248437756), (7, 177455540), (10, 124218878), (14, 88727770), (20, 62109439), (28, 44363885), (35, 35491108), (70, 17745554), (140, 8872777), (1297, 957740), (2594, 478870), (5188, 239435), (6485, 191548), (6841, 181580), (9079, 136820), (12970, 95774), (13682, 90790), (18158, 68410), (25940, 47887), (27364, 45395), (34205, 36316)]