200519620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20173}}^1$

素因数の和:20260

約数の個数: 48

約数和(自身を含む): 488049408

約数和(自身を除く): 287529788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 20173, 40346, 80692, 100865, 141211, 201730, 282422, 403460, 564844, 706055, 1412110, 1432283, 2824220, 2864566, 5729132, 7161415, 10025981, 14322830, 20051962, 28645660, 40103924, 50129905, 100259810, 200519620]

約数ペア:

[(1, 200519620), (2, 100259810), (4, 50129905), (5, 40103924), (7, 28645660), (10, 20051962), (14, 14322830), (20, 10025981), (28, 7161415), (35, 5729132), (70, 2864566), (71, 2824220), (140, 1432283), (142, 1412110), (284, 706055), (355, 564844), (497, 403460), (710, 282422), (994, 201730), (1420, 141211), (1988, 100865), (2485, 80692), (4970, 40346), (9940, 20173)]