3965420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 8981280

約数和(自身を除く): 5015860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 109, 170, 214, 218, 340, 428, 436, 535, 545, 1070, 1090, 1819, 1853, 2140, 2180, 3638, 3706, 7276, 7412, 9095, 9265, 11663, 18190, 18530, 23326, 36380, 37060, 46652, 58315, 116630, 198271, 233260, 396542, 793084, 991355, 1982710, 3965420]

約数ペア:

[(1, 3965420), (2, 1982710), (4, 991355), (5, 793084), (10, 396542), (17, 233260), (20, 198271), (34, 116630), (68, 58315), (85, 46652), (107, 37060), (109, 36380), (170, 23326), (214, 18530), (218, 18190), (340, 11663), (428, 9265), (436, 9095), (535, 7412), (545, 7276), (1070, 3706), (1090, 3638), (1819, 2180), (1853, 2140)]