809888930

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1\times {\mathrm{2699}}^1$

素因数の和:3554

約数の個数: 32

約数和(自身を含む): 1499601600

約数和(自身を除く): 689712670

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 811, 1622, 2699, 4055, 5398, 8110, 13495, 26990, 30007, 60014, 99863, 150035, 199726, 300070, 499315, 998630, 2188889, 4377778, 10944445, 21888890, 80988893, 161977786, 404944465, 809888930]

約数ペア:

[(1, 809888930), (2, 404944465), (5, 161977786), (10, 80988893), (37, 21888890), (74, 10944445), (185, 4377778), (370, 2188889), (811, 998630), (1622, 499315), (2699, 300070), (4055, 199726), (5398, 150035), (8110, 99863), (13495, 60014), (26990, 30007)]