73980490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{971}}^1$

素因数の和:1398

約数の個数: 32

約数和(自身を含む): 140667840

約数和(自身を除く): 66687350

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 401, 802, 971, 1942, 2005, 4010, 4855, 7619, 9710, 15238, 18449, 36898, 38095, 76190, 92245, 184490, 389371, 778742, 1946855, 3893710, 7398049, 14796098, 36990245, 73980490]

約数ペア:

[(1, 73980490), (2, 36990245), (5, 14796098), (10, 7398049), (19, 3893710), (38, 1946855), (95, 778742), (190, 389371), (401, 184490), (802, 92245), (971, 76190), (1942, 38095), (2005, 36898), (4010, 18449), (4855, 15238), (7619, 9710)]