266771420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{1237}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 576531648

約数和(自身を除く): 309760228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 263, 410, 526, 820, 1052, 1237, 1315, 2474, 2630, 4948, 5260, 6185, 10783, 12370, 21566, 24740, 43132, 50717, 53915, 101434, 107830, 202868, 215660, 253585, 325331, 507170, 650662, 1014340, 1301324, 1626655, 3253310, 6506620, 13338571, 26677142, 53354284, 66692855, 133385710, 266771420]

約数ペア:

[(1, 266771420), (2, 133385710), (4, 66692855), (5, 53354284), (10, 26677142), (20, 13338571), (41, 6506620), (82, 3253310), (164, 1626655), (205, 1301324), (263, 1014340), (410, 650662), (526, 507170), (820, 325331), (1052, 253585), (1237, 215660), (1315, 202868), (2474, 107830), (2630, 101434), (4948, 53915), (5260, 50717), (6185, 43132), (10783, 24740), (12370, 21566)]