490348420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{17909}}^1$

素因数の和:17992

約数の個数: 36

約数和(自身を含む): 1058373540

約数和(自身を除く): 568025120

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1369, 2738, 5476, 6845, 13690, 17909, 27380, 35818, 71636, 89545, 179090, 358180, 662633, 1325266, 2650532, 3313165, 6626330, 13252660, 24517421, 49034842, 98069684, 122587105, 245174210, 490348420]

約数ペア:

[(1, 490348420), (2, 245174210), (4, 122587105), (5, 98069684), (10, 49034842), (20, 24517421), (37, 13252660), (74, 6626330), (148, 3313165), (185, 2650532), (370, 1325266), (740, 662633), (1369, 358180), (2738, 179090), (5476, 89545), (6845, 71636), (13690, 35818), (17909, 27380)]