1294040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 3382560

約数和(自身を除く): 2088520

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 173, 187, 220, 340, 346, 374, 440, 680, 692, 748, 865, 935, 1384, 1496, 1730, 1870, 1903, 2941, 3460, 3740, 3806, 5882, 6920, 7480, 7612, 9515, 11764, 14705, 15224, 19030, 23528, 29410, 32351, 38060, 58820, 64702, 76120, 117640, 129404, 161755, 258808, 323510, 647020, 1294040]

約数ペア:

[(1, 1294040), (2, 647020), (4, 323510), (5, 258808), (8, 161755), (10, 129404), (11, 117640), (17, 76120), (20, 64702), (22, 58820), (34, 38060), (40, 32351), (44, 29410), (55, 23528), (68, 19030), (85, 15224), (88, 14705), (110, 11764), (136, 9515), (170, 7612), (173, 7480), (187, 6920), (220, 5882), (340, 3806), (346, 3740), (374, 3460), (440, 2941), (680, 1903), (692, 1870), (748, 1730), (865, 1496), (935, 1384)]