156905000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{4483}}^1$

素因数の和:4516

約数の個数: 80

約数和(自身を含む): 420240480

約数和(自身を除く): 263335480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 875, 1000, 1250, 1400, 1750, 2500, 3500, 4375, 4483, 5000, 7000, 8750, 8966, 17500, 17932, 22415, 31381, 35000, 35864, 44830, 62762, 89660, 112075, 125524, 156905, 179320, 224150, 251048, 313810, 448300, 560375, 627620, 784525, 896600, 1120750, 1255240, 1569050, 2241500, 2801875, 3138100, 3922625, 4483000, 5603750, 6276200, 7845250, 11207500, 15690500, 19613125, 22415000, 31381000, 39226250, 78452500, 156905000]

約数ペア:

[(1, 156905000), (2, 78452500), (4, 39226250), (5, 31381000), (7, 22415000), (8, 19613125), (10, 15690500), (14, 11207500), (20, 7845250), (25, 6276200), (28, 5603750), (35, 4483000), (40, 3922625), (50, 3138100), (56, 2801875), (70, 2241500), (100, 1569050), (125, 1255240), (140, 1120750), (175, 896600), (200, 784525), (250, 627620), (280, 560375), (350, 448300), (500, 313810), (625, 251048), (700, 224150), (875, 179320), (1000, 156905), (1250, 125524), (1400, 112075), (1750, 89660), (2500, 62762), (3500, 44830), (4375, 35864), (4483, 35000), (5000, 31381), (7000, 22415), (8750, 17932), (8966, 17500)]