274242820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{3583}}^1$

素因数の和:3724

約数の個数: 48

約数和(自身を含む): 596090880

約数和(自身を除く): 321848060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1780, 3583, 3827, 7166, 7654, 14332, 15308, 17915, 19135, 35830, 38270, 71660, 76540, 154069, 308138, 318887, 616276, 637774, 770345, 1275548, 1540690, 1594435, 3081380, 3188870, 6377740, 13712141, 27424282, 54848564, 68560705, 137121410, 274242820]

約数ペア:

[(1, 274242820), (2, 137121410), (4, 68560705), (5, 54848564), (10, 27424282), (20, 13712141), (43, 6377740), (86, 3188870), (89, 3081380), (172, 1594435), (178, 1540690), (215, 1275548), (356, 770345), (430, 637774), (445, 616276), (860, 318887), (890, 308138), (1780, 154069), (3583, 76540), (3827, 71660), (7166, 38270), (7654, 35830), (14332, 19135), (15308, 17915)]