216233500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{61781}}^1$

素因数の和:61807

約数の個数: 48

約数和(自身を含む): 539727552

約数和(自身を除く): 323494052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 61781, 123562, 247124, 308905, 432467, 617810, 864934, 1235620, 1544525, 1729868, 2162335, 3089050, 4324670, 6178100, 7722625, 8649340, 10811675, 15445250, 21623350, 30890500, 43246700, 54058375, 108116750, 216233500]

約数ペア:

[(1, 216233500), (2, 108116750), (4, 54058375), (5, 43246700), (7, 30890500), (10, 21623350), (14, 15445250), (20, 10811675), (25, 8649340), (28, 7722625), (35, 6178100), (50, 4324670), (70, 3089050), (100, 2162335), (125, 1729868), (140, 1544525), (175, 1235620), (250, 864934), (350, 617810), (500, 432467), (700, 308905), (875, 247124), (1750, 123562), (3500, 61781)]