85802920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43777}}^1$

素因数の和:43802

約数の個数: 48

約数和(自身を含む): 224581140

約数和(自身を除く): 138778220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 43777, 87554, 175108, 218885, 306439, 350216, 437770, 612878, 875540, 1225756, 1532195, 1751080, 2145073, 2451512, 3064390, 4290146, 6128780, 8580292, 10725365, 12257560, 17160584, 21450730, 42901460, 85802920]

約数ペア:

[(1, 85802920), (2, 42901460), (4, 21450730), (5, 17160584), (7, 12257560), (8, 10725365), (10, 8580292), (14, 6128780), (20, 4290146), (28, 3064390), (35, 2451512), (40, 2145073), (49, 1751080), (56, 1532195), (70, 1225756), (98, 875540), (140, 612878), (196, 437770), (245, 350216), (280, 306439), (392, 218885), (490, 175108), (980, 87554), (1960, 43777)]