197762780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{1493}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 429196320

約数和(自身を除く): 231433540

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 179, 185, 358, 370, 716, 740, 895, 1493, 1790, 2986, 3580, 5972, 6623, 7465, 13246, 14930, 26492, 29860, 33115, 55241, 66230, 110482, 132460, 220964, 267247, 276205, 534494, 552410, 1068988, 1104820, 1336235, 2672470, 5344940, 9888139, 19776278, 39552556, 49440695, 98881390, 197762780]

約数ペア:

[(1, 197762780), (2, 98881390), (4, 49440695), (5, 39552556), (10, 19776278), (20, 9888139), (37, 5344940), (74, 2672470), (148, 1336235), (179, 1104820), (185, 1068988), (358, 552410), (370, 534494), (716, 276205), (740, 267247), (895, 220964), (1493, 132460), (1790, 110482), (2986, 66230), (3580, 55241), (5972, 33115), (6623, 29860), (7465, 26492), (13246, 14930)]