1985995220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{114269}}^1$

素因数の和:114368

約数の個数: 48

約数和(自身を含む): 4607366400

約数和(自身を除く): 2621371180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 114269, 228538, 457076, 571345, 1142690, 1256959, 2285380, 2513918, 5027836, 6284795, 9027251, 12569590, 18054502, 25139180, 36109004, 45136255, 90272510, 99299761, 180545020, 198599522, 397199044, 496498805, 992997610, 1985995220]

約数ペア:

[(1, 1985995220), (2, 992997610), (4, 496498805), (5, 397199044), (10, 198599522), (11, 180545020), (20, 99299761), (22, 90272510), (44, 45136255), (55, 36109004), (79, 25139180), (110, 18054502), (158, 12569590), (220, 9027251), (316, 6284795), (395, 5027836), (790, 2513918), (869, 2285380), (1580, 1256959), (1738, 1142690), (3476, 571345), (4345, 457076), (8690, 228538), (17380, 114269)]