2895220

素因数分解:

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

素因数の和:448

約数の個数: 36

約数和(自身を含む): 6432804

約数和(自身を除く): 3537584

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 401, 722, 802, 1444, 1604, 1805, 2005, 3610, 4010, 7220, 7619, 8020, 15238, 30476, 38095, 76190, 144761, 152380, 289522, 579044, 723805, 1447610, 2895220]

約数ペア:

[(1, 2895220), (2, 1447610), (4, 723805), (5, 579044), (10, 289522), (19, 152380), (20, 144761), (38, 76190), (76, 38095), (95, 30476), (190, 15238), (361, 8020), (380, 7619), (401, 7220), (722, 4010), (802, 3610), (1444, 2005), (1604, 1805)]