272772820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{1811}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 608223168

約数和(自身を除く): 335450348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 443, 886, 1772, 1811, 2215, 3622, 4430, 7244, 7531, 8860, 9055, 15062, 18110, 30124, 30787, 36220, 37655, 61574, 75310, 123148, 150620, 153935, 307870, 615740, 802273, 1604546, 3209092, 4011365, 8022730, 13638641, 16045460, 27277282, 54554564, 68193205, 136386410, 272772820]

約数ペア:

[(1, 272772820), (2, 136386410), (4, 68193205), (5, 54554564), (10, 27277282), (17, 16045460), (20, 13638641), (34, 8022730), (68, 4011365), (85, 3209092), (170, 1604546), (340, 802273), (443, 615740), (886, 307870), (1772, 153935), (1811, 150620), (2215, 123148), (3622, 75310), (4430, 61574), (7244, 37655), (7531, 36220), (8860, 30787), (9055, 30124), (15062, 18110)]