87521140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2377}}^1$

素因数の和:2656

約数の個数: 48

約数和(自身を含む): 210938112

約数和(自身を除く): 123416972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1841, 2377, 2630, 3682, 4754, 5260, 7364, 9205, 9508, 11885, 16639, 18410, 23770, 33278, 36820, 47540, 66556, 83195, 166390, 332780, 625151, 1250302, 2500604, 3125755, 4376057, 6251510, 8752114, 12503020, 17504228, 21880285, 43760570, 87521140]

約数ペア:

[(1, 87521140), (2, 43760570), (4, 21880285), (5, 17504228), (7, 12503020), (10, 8752114), (14, 6251510), (20, 4376057), (28, 3125755), (35, 2500604), (70, 1250302), (140, 625151), (263, 332780), (526, 166390), (1052, 83195), (1315, 66556), (1841, 47540), (2377, 36820), (2630, 33278), (3682, 23770), (4754, 18410), (5260, 16639), (7364, 11885), (9205, 9508)]