1228420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3613}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 2732184

約数和(自身を除く): 1503764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3613, 7226, 14452, 18065, 36130, 61421, 72260, 122842, 245684, 307105, 614210, 1228420]

約数ペア:

[(1, 1228420), (2, 614210), (4, 307105), (5, 245684), (10, 122842), (17, 72260), (20, 61421), (34, 36130), (68, 18065), (85, 14452), (170, 7226), (340, 3613)]