548420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1613}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 1220184

約数和(自身を除く): 671764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1613, 3226, 6452, 8065, 16130, 27421, 32260, 54842, 109684, 137105, 274210, 548420]

約数ペア:

[(1, 548420), (2, 274210), (4, 137105), (5, 109684), (10, 54842), (17, 32260), (20, 27421), (34, 16130), (68, 8065), (85, 6452), (170, 3226), (340, 1613)]