520051000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{74293}}^1$

素因数の和:74321

約数の個数: 64

約数和(自身を含む): 1390783680

約数和(自身を除く): 870732680

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, 700, 875, 1000, 1400, 1750, 3500, 7000, 74293, 148586, 297172, 371465, 520051, 594344, 742930, 1040102, 1485860, 1857325, 2080204, 2600255, 2971720, 3714650, 4160408, 5200510, 7429300, 9286625, 10401020, 13001275, 14858600, 18573250, 20802040, 26002550, 37146500, 52005100, 65006375, 74293000, 104010200, 130012750, 260025500, 520051000]

約数ペア:

[(1, 520051000), (2, 260025500), (4, 130012750), (5, 104010200), (7, 74293000), (8, 65006375), (10, 52005100), (14, 37146500), (20, 26002550), (25, 20802040), (28, 18573250), (35, 14858600), (40, 13001275), (50, 10401020), (56, 9286625), (70, 7429300), (100, 5200510), (125, 4160408), (140, 3714650), (175, 2971720), (200, 2600255), (250, 2080204), (280, 1857325), (350, 1485860), (500, 1040102), (700, 742930), (875, 594344), (1000, 520051), (1400, 371465), (1750, 297172), (3500, 148586), (7000, 74293)]