144340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1031}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 346752

約数和(自身を除く): 202412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1031, 2062, 4124, 5155, 7217, 10310, 14434, 20620, 28868, 36085, 72170, 144340]

約数ペア:

[(1, 144340), (2, 72170), (4, 36085), (5, 28868), (7, 20620), (10, 14434), (14, 10310), (20, 7217), (28, 5155), (35, 4124), (70, 2062), (140, 1031)]