187811240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2154

約数の個数: 64

約数和(自身を含む): 450878400

約数和(自身を除く): 263067160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 556, 680, 695, 1112, 1390, 1987, 2363, 2780, 3974, 4726, 5560, 7948, 9452, 9935, 11815, 15896, 18904, 19870, 23630, 33779, 39740, 47260, 67558, 79480, 94520, 135116, 168895, 270232, 276193, 337790, 552386, 675580, 1104772, 1351160, 1380965, 2209544, 2761930, 4695281, 5523860, 9390562, 11047720, 18781124, 23476405, 37562248, 46952810, 93905620, 187811240]

約数ペア:

[(1, 187811240), (2, 93905620), (4, 46952810), (5, 37562248), (8, 23476405), (10, 18781124), (17, 11047720), (20, 9390562), (34, 5523860), (40, 4695281), (68, 2761930), (85, 2209544), (136, 1380965), (139, 1351160), (170, 1104772), (278, 675580), (340, 552386), (556, 337790), (680, 276193), (695, 270232), (1112, 168895), (1390, 135116), (1987, 94520), (2363, 79480), (2780, 67558), (3974, 47260), (4726, 39740), (5560, 33779), (7948, 23630), (9452, 19870), (9935, 18904), (11815, 15896)]