254660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 653184

約数和(自身を除く): 398524

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 107, 119, 140, 170, 214, 238, 340, 428, 476, 535, 595, 749, 1070, 1190, 1498, 1819, 2140, 2380, 2996, 3638, 3745, 7276, 7490, 9095, 12733, 14980, 18190, 25466, 36380, 50932, 63665, 127330, 254660]

約数ペア:

[(1, 254660), (2, 127330), (4, 63665), (5, 50932), (7, 36380), (10, 25466), (14, 18190), (17, 14980), (20, 12733), (28, 9095), (34, 7490), (35, 7276), (68, 3745), (70, 3638), (85, 2996), (107, 2380), (119, 2140), (140, 1819), (170, 1498), (214, 1190), (238, 1070), (340, 749), (428, 595), (476, 535)]