2019989440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{901781}}^1$

素因数の和:901805

約数の個数: 56

約数和(自身を含む): 5497263072

約数和(自身を除く): 3477273632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 901781, 1803562, 3607124, 4508905, 6312467, 7214248, 9017810, 12624934, 14428496, 18035620, 25249868, 28856992, 31562335, 36071240, 50499736, 57713984, 63124670, 72142480, 100999472, 126249340, 144284960, 201998944, 252498680, 288569920, 403997888, 504997360, 1009994720, 2019989440]

約数ペア:

[(1, 2019989440), (2, 1009994720), (4, 504997360), (5, 403997888), (7, 288569920), (8, 252498680), (10, 201998944), (14, 144284960), (16, 126249340), (20, 100999472), (28, 72142480), (32, 63124670), (35, 57713984), (40, 50499736), (56, 36071240), (64, 31562335), (70, 28856992), (80, 25249868), (112, 18035620), (140, 14428496), (160, 12624934), (224, 9017810), (280, 7214248), (320, 6312467), (448, 4508905), (560, 3607124), (1120, 1803562), (2240, 901781)]