86828420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2239}}^1$

素因数の和:2532

約数の個数: 48

約数和(自身を含む): 209233920

約数和(自身を除く): 122405500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1939, 2239, 2770, 3878, 4478, 5540, 7756, 8956, 9695, 11195, 15673, 19390, 22390, 31346, 38780, 44780, 62692, 78365, 156730, 313460, 620203, 1240406, 2480812, 3101015, 4341421, 6202030, 8682842, 12404060, 17365684, 21707105, 43414210, 86828420]

約数ペア:

[(1, 86828420), (2, 43414210), (4, 21707105), (5, 17365684), (7, 12404060), (10, 8682842), (14, 6202030), (20, 4341421), (28, 3101015), (35, 2480812), (70, 1240406), (140, 620203), (277, 313460), (554, 156730), (1108, 78365), (1385, 62692), (1939, 44780), (2239, 38780), (2770, 31346), (3878, 22390), (4478, 19390), (5540, 15673), (7756, 11195), (8956, 9695)]