121712140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 290304000

約数和(自身を除く): 168591860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 79, 94, 110, 149, 158, 188, 220, 235, 298, 316, 395, 470, 517, 596, 745, 790, 869, 940, 1034, 1490, 1580, 1639, 1738, 2068, 2585, 2980, 3278, 3476, 3713, 4345, 5170, 6556, 7003, 7426, 8195, 8690, 10340, 11771, 14006, 14852, 16390, 17380, 18565, 23542, 28012, 32780, 35015, 37130, 40843, 47084, 58855, 70030, 74260, 77033, 81686, 117710, 129481, 140060, 154066, 163372, 204215, 235420, 258962, 308132, 385165, 408430, 517924, 553237, 647405, 770330, 816860, 1106474, 1294810, 1540660, 2212948, 2589620, 2766185, 5532370, 6085607, 11064740, 12171214, 24342428, 30428035, 60856070, 121712140]

約数ペア:

[(1, 121712140), (2, 60856070), (4, 30428035), (5, 24342428), (10, 12171214), (11, 11064740), (20, 6085607), (22, 5532370), (44, 2766185), (47, 2589620), (55, 2212948), (79, 1540660), (94, 1294810), (110, 1106474), (149, 816860), (158, 770330), (188, 647405), (220, 553237), (235, 517924), (298, 408430), (316, 385165), (395, 308132), (470, 258962), (517, 235420), (596, 204215), (745, 163372), (790, 154066), (869, 140060), (940, 129481), (1034, 117710), (1490, 81686), (1580, 77033), (1639, 74260), (1738, 70030), (2068, 58855), (2585, 47084), (2980, 40843), (3278, 37130), (3476, 35015), (3713, 32780), (4345, 28012), (5170, 23542), (6556, 18565), (7003, 17380), (7426, 16390), (8195, 14852), (8690, 14006), (10340, 11771)]