3955420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 9999360

約数和(自身を除く): 6043940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 1487, 2660, 2974, 5948, 7435, 10409, 14870, 20818, 28253, 29740, 41636, 52045, 56506, 104090, 113012, 141265, 197771, 208180, 282530, 395542, 565060, 791084, 988855, 1977710, 3955420]

約数ペア:

[(1, 3955420), (2, 1977710), (4, 988855), (5, 791084), (7, 565060), (10, 395542), (14, 282530), (19, 208180), (20, 197771), (28, 141265), (35, 113012), (38, 104090), (70, 56506), (76, 52045), (95, 41636), (133, 29740), (140, 28253), (190, 20818), (266, 14870), (380, 10409), (532, 7435), (665, 5948), (1330, 2974), (1487, 2660)]