87866800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{4483}}^1$

素因数の和:4515

約数の個数: 90

約数和(自身を含む): 245620068

約数和(自身を除く): 157753268

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4483, 4900, 8966, 9800, 17932, 19600, 22415, 31381, 35864, 44830, 62762, 71728, 89660, 112075, 125524, 156905, 179320, 219667, 224150, 251048, 313810, 358640, 439334, 448300, 502096, 627620, 784525, 878668, 896600, 1098335, 1255240, 1569050, 1757336, 1793200, 2196670, 2510480, 3138100, 3514672, 4393340, 5491675, 6276200, 8786680, 10983350, 12552400, 17573360, 21966700, 43933400, 87866800]

約数ペア:

[(1, 87866800), (2, 43933400), (4, 21966700), (5, 17573360), (7, 12552400), (8, 10983350), (10, 8786680), (14, 6276200), (16, 5491675), (20, 4393340), (25, 3514672), (28, 3138100), (35, 2510480), (40, 2196670), (49, 1793200), (50, 1757336), (56, 1569050), (70, 1255240), (80, 1098335), (98, 896600), (100, 878668), (112, 784525), (140, 627620), (175, 502096), (196, 448300), (200, 439334), (245, 358640), (280, 313810), (350, 251048), (392, 224150), (400, 219667), (490, 179320), (560, 156905), (700, 125524), (784, 112075), (980, 89660), (1225, 71728), (1400, 62762), (1960, 44830), (2450, 35864), (2800, 31381), (3920, 22415), (4483, 19600), (4900, 17932), (8966, 9800)]