142648940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 353009664

約数和(自身を除く): 210360724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 113, 127, 140, 142, 226, 254, 284, 355, 452, 497, 508, 565, 635, 710, 791, 889, 994, 1130, 1270, 1420, 1582, 1778, 1988, 2260, 2485, 2540, 3164, 3556, 3955, 4445, 4970, 7910, 8023, 8890, 9017, 9940, 14351, 15820, 16046, 17780, 18034, 28702, 32092, 36068, 40115, 45085, 56161, 57404, 63119, 71755, 80230, 90170, 100457, 112322, 126238, 143510, 160460, 180340, 200914, 224644, 252476, 280805, 287020, 315595, 401828, 502285, 561610, 631190, 1004570, 1018921, 1123220, 1262380, 2009140, 2037842, 4075684, 5094605, 7132447, 10189210, 14264894, 20378420, 28529788, 35662235, 71324470, 142648940]

約数ペア:

[(1, 142648940), (2, 71324470), (4, 35662235), (5, 28529788), (7, 20378420), (10, 14264894), (14, 10189210), (20, 7132447), (28, 5094605), (35, 4075684), (70, 2037842), (71, 2009140), (113, 1262380), (127, 1123220), (140, 1018921), (142, 1004570), (226, 631190), (254, 561610), (284, 502285), (355, 401828), (452, 315595), (497, 287020), (508, 280805), (565, 252476), (635, 224644), (710, 200914), (791, 180340), (889, 160460), (994, 143510), (1130, 126238), (1270, 112322), (1420, 100457), (1582, 90170), (1778, 80230), (1988, 71755), (2260, 63119), (2485, 57404), (2540, 56161), (3164, 45085), (3556, 40115), (3955, 36068), (4445, 32092), (4970, 28702), (7910, 18034), (8023, 17780), (8890, 16046), (9017, 15820), (9940, 14351)]