289753240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1034833}}^1$

素因数の和:1034851

約数の個数: 32

約数和(自身を含む): 745080480

約数和(自身を除く): 455327240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1034833, 2069666, 4139332, 5174165, 7243831, 8278664, 10348330, 14487662, 20696660, 28975324, 36219155, 41393320, 57950648, 72438310, 144876620, 289753240]

約数ペア:

[(1, 289753240), (2, 144876620), (4, 72438310), (5, 57950648), (7, 41393320), (8, 36219155), (10, 28975324), (14, 20696660), (20, 14487662), (28, 10348330), (35, 8278664), (40, 7243831), (56, 5174165), (70, 4139332), (140, 2069666), (280, 1034833)]