193140920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{689789}}^1$

素因数の和:689807

約数の個数: 32

約数和(自身を含む): 496648800

約数和(自身を除く): 303507880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 689789, 1379578, 2759156, 3448945, 4828523, 5518312, 6897890, 9657046, 13795780, 19314092, 24142615, 27591560, 38628184, 48285230, 96570460, 193140920]

約数ペア:

[(1, 193140920), (2, 96570460), (4, 48285230), (5, 38628184), (7, 27591560), (8, 24142615), (10, 19314092), (14, 13795780), (20, 9657046), (28, 6897890), (35, 5518312), (40, 4828523), (56, 3448945), (70, 2759156), (140, 1379578), (280, 689789)]