28990290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1087}}^1$

素因数の和:1231

約数の個数: 64

約数和(自身を含む): 80216064

約数和(自身を除く): 51225774

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 210, 254, 381, 635, 762, 889, 1087, 1270, 1778, 1905, 2174, 2667, 3261, 3810, 4445, 5334, 5435, 6522, 7609, 8890, 10870, 13335, 15218, 16305, 22827, 26670, 32610, 38045, 45654, 76090, 114135, 138049, 228270, 276098, 414147, 690245, 828294, 966343, 1380490, 1932686, 2070735, 2899029, 4141470, 4831715, 5798058, 9663430, 14495145, 28990290]

約数ペア:

[(1, 28990290), (2, 14495145), (3, 9663430), (5, 5798058), (6, 4831715), (7, 4141470), (10, 2899029), (14, 2070735), (15, 1932686), (21, 1380490), (30, 966343), (35, 828294), (42, 690245), (70, 414147), (105, 276098), (127, 228270), (210, 138049), (254, 114135), (381, 76090), (635, 45654), (762, 38045), (889, 32610), (1087, 26670), (1270, 22827), (1778, 16305), (1905, 15218), (2174, 13335), (2667, 10870), (3261, 8890), (3810, 7609), (4445, 6522), (5334, 5435)]