391020280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{34061}}^1$

素因数の和:34120

約数の個数: 64

約数和(自身を含む): 1030034880

約数和(自身を除く): 639014600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 34061, 68122, 136244, 170305, 238427, 272488, 340610, 476854, 681220, 953708, 1192135, 1362440, 1396501, 1907416, 2384270, 2793002, 4768540, 5586004, 6982505, 9537080, 9775507, 11172008, 13965010, 19551014, 27930020, 39102028, 48877535, 55860040, 78204056, 97755070, 195510140, 391020280]

約数ペア:

[(1, 391020280), (2, 195510140), (4, 97755070), (5, 78204056), (7, 55860040), (8, 48877535), (10, 39102028), (14, 27930020), (20, 19551014), (28, 13965010), (35, 11172008), (40, 9775507), (41, 9537080), (56, 6982505), (70, 5586004), (82, 4768540), (140, 2793002), (164, 2384270), (205, 1907416), (280, 1396501), (287, 1362440), (328, 1192135), (410, 953708), (574, 681220), (820, 476854), (1148, 340610), (1435, 272488), (1640, 238427), (2296, 170305), (2870, 136244), (5740, 68122), (11480, 34061)]