204680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:78

約数の個数: 64

約数和(自身を含む): 570240

約数和(自身を除く): 365560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 85, 86, 119, 136, 140, 170, 172, 215, 238, 280, 301, 340, 344, 430, 476, 595, 602, 680, 731, 860, 952, 1190, 1204, 1462, 1505, 1720, 2380, 2408, 2924, 3010, 3655, 4760, 5117, 5848, 6020, 7310, 10234, 12040, 14620, 20468, 25585, 29240, 40936, 51170, 102340, 204680]

約数ペア:

[(1, 204680), (2, 102340), (4, 51170), (5, 40936), (7, 29240), (8, 25585), (10, 20468), (14, 14620), (17, 12040), (20, 10234), (28, 7310), (34, 6020), (35, 5848), (40, 5117), (43, 4760), (56, 3655), (68, 3010), (70, 2924), (85, 2408), (86, 2380), (119, 1720), (136, 1505), (140, 1462), (170, 1204), (172, 1190), (215, 952), (238, 860), (280, 731), (301, 680), (340, 602), (344, 595), (430, 476)]