1279439975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 1950303744

約数和(自身を除く): 670863769

約数列:

[1, 5, 11, 17, 23, 25, 55, 73, 85, 115, 163, 187, 253, 275, 365, 391, 425, 575, 803, 815, 935, 1241, 1265, 1679, 1793, 1825, 1955, 2771, 3749, 4015, 4075, 4301, 4675, 6205, 6325, 8395, 8965, 9775, 11899, 13651, 13855, 18469, 18745, 20075, 21505, 28543, 30481, 31025, 41239, 41975, 44825, 59495, 63733, 68255, 69275, 92345, 93725, 107525, 130889, 142715, 152405, 202283, 206195, 273677, 297475, 313973, 318665, 341275, 461725, 654445, 701063, 713575, 762025, 1011415, 1030975, 1368385, 1569865, 1593325, 2225113, 3010447, 3272225, 3505315, 4652509, 5057075, 6841925, 7849325, 11125565, 15052235, 17526575, 23262545, 51177599, 55627825, 75261175, 116312725, 255887995, 1279439975]

約数ペア:

[(1, 1279439975), (5, 255887995), (11, 116312725), (17, 75261175), (23, 55627825), (25, 51177599), (55, 23262545), (73, 17526575), (85, 15052235), (115, 11125565), (163, 7849325), (187, 6841925), (253, 5057075), (275, 4652509), (365, 3505315), (391, 3272225), (425, 3010447), (575, 2225113), (803, 1593325), (815, 1569865), (935, 1368385), (1241, 1030975), (1265, 1011415), (1679, 762025), (1793, 713575), (1825, 701063), (1955, 654445), (2771, 461725), (3749, 341275), (4015, 318665), (4075, 313973), (4301, 297475), (4675, 273677), (6205, 206195), (6325, 202283), (8395, 152405), (8965, 142715), (9775, 130889), (11899, 107525), (13651, 93725), (13855, 92345), (18469, 69275), (18745, 68255), (20075, 63733), (21505, 59495), (28543, 44825), (30481, 41975), (31025, 41239)]