319777660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{3121}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 692334720

約数和(自身を除く): 372557060

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 109, 188, 218, 235, 436, 470, 545, 940, 1090, 2180, 3121, 5123, 6242, 10246, 12484, 15605, 20492, 25615, 31210, 51230, 62420, 102460, 146687, 293374, 340189, 586748, 680378, 733435, 1360756, 1466870, 1700945, 2933740, 3401890, 6803780, 15988883, 31977766, 63955532, 79944415, 159888830, 319777660]

約数ペア:

[(1, 319777660), (2, 159888830), (4, 79944415), (5, 63955532), (10, 31977766), (20, 15988883), (47, 6803780), (94, 3401890), (109, 2933740), (188, 1700945), (218, 1466870), (235, 1360756), (436, 733435), (470, 680378), (545, 586748), (940, 340189), (1090, 293374), (2180, 146687), (3121, 102460), (5123, 62420), (6242, 51230), (10246, 31210), (12484, 25615), (15605, 20492)]