177980180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 443342592

約数和(自身を除く): 265362412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 101, 140, 164, 202, 205, 287, 307, 404, 410, 505, 574, 614, 707, 820, 1010, 1148, 1228, 1414, 1435, 1535, 2020, 2149, 2828, 2870, 3070, 3535, 4141, 4298, 5740, 6140, 7070, 8282, 8596, 10745, 12587, 14140, 16564, 20705, 21490, 25174, 28987, 31007, 41410, 42980, 50348, 57974, 62014, 62935, 82820, 88109, 115948, 124028, 125870, 144935, 155035, 176218, 217049, 251740, 289870, 310070, 352436, 434098, 440545, 579740, 620140, 868196, 881090, 1085245, 1271287, 1762180, 2170490, 2542574, 4340980, 5085148, 6356435, 8899009, 12712870, 17798018, 25425740, 35596036, 44495045, 88990090, 177980180]

約数ペア:

[(1, 177980180), (2, 88990090), (4, 44495045), (5, 35596036), (7, 25425740), (10, 17798018), (14, 12712870), (20, 8899009), (28, 6356435), (35, 5085148), (41, 4340980), (70, 2542574), (82, 2170490), (101, 1762180), (140, 1271287), (164, 1085245), (202, 881090), (205, 868196), (287, 620140), (307, 579740), (404, 440545), (410, 434098), (505, 352436), (574, 310070), (614, 289870), (707, 251740), (820, 217049), (1010, 176218), (1148, 155035), (1228, 144935), (1414, 125870), (1435, 124028), (1535, 115948), (2020, 88109), (2149, 82820), (2828, 62935), (2870, 62014), (3070, 57974), (3535, 50348), (4141, 42980), (4298, 41410), (5740, 31007), (6140, 28987), (7070, 25174), (8282, 21490), (8596, 20705), (10745, 16564), (12587, 14140)]