163979620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{68899}}^1$

素因数の和:68932

約数の個数: 48

約数和(自身を含む): 416707200

約数和(自身を除く): 252727580

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 68899, 137798, 275596, 344495, 482293, 688990, 964586, 1171283, 1377980, 1929172, 2342566, 2411465, 4685132, 4822930, 5856415, 8198981, 9645860, 11712830, 16397962, 23425660, 32795924, 40994905, 81989810, 163979620]

約数ペア:

[(1, 163979620), (2, 81989810), (4, 40994905), (5, 32795924), (7, 23425660), (10, 16397962), (14, 11712830), (17, 9645860), (20, 8198981), (28, 5856415), (34, 4822930), (35, 4685132), (68, 2411465), (70, 2342566), (85, 1929172), (119, 1377980), (140, 1171283), (170, 964586), (238, 688990), (340, 482293), (476, 344495), (595, 275596), (1190, 137798), (2380, 68899)]