151701820

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 323658720

約数和(自身を除く): 171956900

約数列:

[1, 2, 4, 5, 10, 20, 139, 197, 277, 278, 394, 554, 556, 695, 788, 985, 1108, 1385, 1390, 1970, 2770, 2780, 3940, 5540, 27383, 38503, 54569, 54766, 77006, 109138, 109532, 136915, 154012, 192515, 218276, 272845, 273830, 385030, 545690, 547660, 770060, 1091380, 7585091, 15170182, 30340364, 37925455, 75850910, 151701820]

約数ペア:

[(1, 151701820), (2, 75850910), (4, 37925455), (5, 30340364), (10, 15170182), (20, 7585091), (139, 1091380), (197, 770060), (277, 547660), (278, 545690), (394, 385030), (554, 273830), (556, 272845), (695, 218276), (788, 192515), (985, 154012), (1108, 136915), (1385, 109532), (1390, 109138), (1970, 77006), (2770, 54766), (2780, 54569), (3940, 38503), (5540, 27383)]