2228420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 4752384

約数和(自身を除く): 2523964

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 1663, 3326, 6652, 8315, 16630, 33260, 111421, 222842, 445684, 557105, 1114210, 2228420]

約数ペア:

[(1, 2228420), (2, 1114210), (4, 557105), (5, 445684), (10, 222842), (20, 111421), (67, 33260), (134, 16630), (268, 8315), (335, 6652), (670, 3326), (1340, 1663)]