91141540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1279}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 219340800

約数和(自身を除く): 128199260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 1279, 2036, 2545, 2558, 3563, 5090, 5116, 6395, 7126, 8953, 10180, 12790, 14252, 17815, 17906, 25580, 35630, 35812, 44765, 71260, 89530, 179060, 651011, 1302022, 2604044, 3255055, 4557077, 6510110, 9114154, 13020220, 18228308, 22785385, 45570770, 91141540]

約数ペア:

[(1, 91141540), (2, 45570770), (4, 22785385), (5, 18228308), (7, 13020220), (10, 9114154), (14, 6510110), (20, 4557077), (28, 3255055), (35, 2604044), (70, 1302022), (140, 651011), (509, 179060), (1018, 89530), (1279, 71260), (2036, 44765), (2545, 35812), (2558, 35630), (3563, 25580), (5090, 17906), (5116, 17815), (6395, 14252), (7126, 12790), (8953, 10180)]