1187618420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{836351}}^1$

素因数の和:836431

約数の個数: 24

約数和(自身を含む): 2529128448

約数和(自身を除く): 1341510028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 836351, 1672702, 3345404, 4181755, 8363510, 16727020, 59380921, 118761842, 237523684, 296904605, 593809210, 1187618420]

約数ペア:

[(1, 1187618420), (2, 593809210), (4, 296904605), (5, 237523684), (10, 118761842), (20, 59380921), (71, 16727020), (142, 8363510), (284, 4181755), (355, 3345404), (710, 1672702), (1420, 836351)]