2009933750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1151}}^1$

素因数の和:1311

約数の個数: 80

約数和(自身を含む): 4145872896

約数和(自身を除く): 2135939146

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 127, 250, 254, 275, 550, 625, 635, 1151, 1250, 1270, 1375, 1397, 2302, 2750, 2794, 3175, 5755, 6350, 6875, 6985, 11510, 12661, 13750, 13970, 15875, 25322, 28775, 31750, 34925, 57550, 63305, 69850, 79375, 126610, 143875, 146177, 158750, 174625, 287750, 292354, 316525, 349250, 633050, 719375, 730885, 873125, 1438750, 1461770, 1582625, 1607947, 1746250, 3165250, 3215894, 3654425, 7308850, 7913125, 8039735, 15826250, 16079470, 18272125, 36544250, 40198675, 80397350, 91360625, 182721250, 200993375, 401986750, 1004966875, 2009933750]

約数ペア:

[(1, 2009933750), (2, 1004966875), (5, 401986750), (10, 200993375), (11, 182721250), (22, 91360625), (25, 80397350), (50, 40198675), (55, 36544250), (110, 18272125), (125, 16079470), (127, 15826250), (250, 8039735), (254, 7913125), (275, 7308850), (550, 3654425), (625, 3215894), (635, 3165250), (1151, 1746250), (1250, 1607947), (1270, 1582625), (1375, 1461770), (1397, 1438750), (2302, 873125), (2750, 730885), (2794, 719375), (3175, 633050), (5755, 349250), (6350, 316525), (6875, 292354), (6985, 287750), (11510, 174625), (12661, 158750), (13750, 146177), (13970, 143875), (15875, 126610), (25322, 79375), (28775, 69850), (31750, 63305), (34925, 57550)]