838090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 1736640

約数和(自身を除く): 898550

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 401, 418, 802, 1045, 2005, 2090, 4010, 4411, 7619, 8822, 15238, 22055, 38095, 44110, 76190, 83809, 167618, 419045, 838090]

約数ペア:

[(1, 838090), (2, 419045), (5, 167618), (10, 83809), (11, 76190), (19, 44110), (22, 38095), (38, 22055), (55, 15238), (95, 8822), (110, 7619), (190, 4411), (209, 4010), (401, 2090), (418, 2005), (802, 1045)]