2781590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 5806080

約数和(自身を除く): 3024490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 503, 553, 790, 1006, 1106, 2515, 2765, 3521, 5030, 5530, 7042, 17605, 35210, 39737, 79474, 198685, 278159, 397370, 556318, 1390795, 2781590]

約数ペア:

[(1, 2781590), (2, 1390795), (5, 556318), (7, 397370), (10, 278159), (14, 198685), (35, 79474), (70, 39737), (79, 35210), (158, 17605), (395, 7042), (503, 5530), (553, 5030), (790, 3521), (1006, 2765), (1106, 2515)]