1408420420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{376583}}^1$

素因数の和:376620

約数の個数: 48

約数和(自身を含む): 3416370048

約数和(自身を除く): 2007949628

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 376583, 753166, 1506332, 1882915, 3765830, 4142413, 6401911, 7531660, 8284826, 12803822, 16569652, 20712065, 25607644, 32009555, 41424130, 64019110, 70421021, 82848260, 128038220, 140842042, 281684084, 352105105, 704210210, 1408420420]

約数ペア:

[(1, 1408420420), (2, 704210210), (4, 352105105), (5, 281684084), (10, 140842042), (11, 128038220), (17, 82848260), (20, 70421021), (22, 64019110), (34, 41424130), (44, 32009555), (55, 25607644), (68, 20712065), (85, 16569652), (110, 12803822), (170, 8284826), (187, 7531660), (220, 6401911), (340, 4142413), (374, 3765830), (748, 1882915), (935, 1506332), (1870, 753166), (3740, 376583)]