1338045160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{344857}}^1$

素因数の和:344965

約数の個数: 32

約数和(自身を含む): 3041647560

約数和(自身を除く): 1703602400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 344857, 689714, 1379428, 1724285, 2758856, 3448570, 6897140, 13794280, 33451129, 66902258, 133804516, 167255645, 267609032, 334511290, 669022580, 1338045160]

約数ペア:

[(1, 1338045160), (2, 669022580), (4, 334511290), (5, 267609032), (8, 167255645), (10, 133804516), (20, 66902258), (40, 33451129), (97, 13794280), (194, 6897140), (388, 3448570), (485, 2758856), (776, 1724285), (970, 1379428), (1940, 689714), (3880, 344857)]