11997580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 30923424

約数和(自身を除く): 18925844

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 71, 85, 119, 140, 142, 170, 238, 284, 340, 355, 476, 497, 595, 710, 994, 1190, 1207, 1420, 1988, 2380, 2414, 2485, 4828, 4970, 5041, 6035, 8449, 9940, 10082, 12070, 16898, 20164, 24140, 25205, 33796, 35287, 42245, 50410, 70574, 84490, 85697, 100820, 141148, 168980, 171394, 176435, 342788, 352870, 428485, 599879, 705740, 856970, 1199758, 1713940, 2399516, 2999395, 5998790, 11997580]

約数ペア:

[(1, 11997580), (2, 5998790), (4, 2999395), (5, 2399516), (7, 1713940), (10, 1199758), (14, 856970), (17, 705740), (20, 599879), (28, 428485), (34, 352870), (35, 342788), (68, 176435), (70, 171394), (71, 168980), (85, 141148), (119, 100820), (140, 85697), (142, 84490), (170, 70574), (238, 50410), (284, 42245), (340, 35287), (355, 33796), (476, 25205), (497, 24140), (595, 20164), (710, 16898), (994, 12070), (1190, 10082), (1207, 9940), (1420, 8449), (1988, 6035), (2380, 5041), (2414, 4970), (2485, 4828)]