19888400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7103}}^1$

素因数の和:7128

約数の個数: 60

約数和(自身を含む): 54615552

約数和(自身を除く): 34727152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7103, 14206, 28412, 35515, 49721, 56824, 71030, 99442, 113648, 142060, 177575, 198884, 248605, 284120, 355150, 397768, 497210, 568240, 710300, 795536, 994420, 1243025, 1420600, 1988840, 2486050, 2841200, 3977680, 4972100, 9944200, 19888400]

約数ペア:

[(1, 19888400), (2, 9944200), (4, 4972100), (5, 3977680), (7, 2841200), (8, 2486050), (10, 1988840), (14, 1420600), (16, 1243025), (20, 994420), (25, 795536), (28, 710300), (35, 568240), (40, 497210), (50, 397768), (56, 355150), (70, 284120), (80, 248605), (100, 198884), (112, 177575), (140, 142060), (175, 113648), (200, 99442), (280, 71030), (350, 56824), (400, 49721), (560, 35515), (700, 28412), (1400, 14206), (2800, 7103)]