142471000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{20353}}^1$

素因数の和:20381

約数の個数: 64

約数和(自身を含む): 381026880

約数和(自身を除く): 238555880

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, 20353, 40706, 81412, 101765, 142471, 162824, 203530, 284942, 407060, 508825, 569884, 712355, 814120, 1017650, 1139768, 1424710, 2035300, 2544125, 2849420, 3561775, 4070600, 5088250, 5698840, 7123550, 10176500, 14247100, 17808875, 20353000, 28494200, 35617750, 71235500, 142471000]

約数ペア:

[(1, 142471000), (2, 71235500), (4, 35617750), (5, 28494200), (7, 20353000), (8, 17808875), (10, 14247100), (14, 10176500), (20, 7123550), (25, 5698840), (28, 5088250), (35, 4070600), (40, 3561775), (50, 2849420), (56, 2544125), (70, 2035300), (100, 1424710), (125, 1139768), (140, 1017650), (175, 814120), (200, 712355), (250, 569884), (280, 508825), (350, 407060), (500, 284942), (700, 203530), (875, 162824), (1000, 142471), (1400, 101765), (1750, 81412), (3500, 40706), (7000, 20353)]