217863520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{194521}}^1$

素因数の和:194543

約数の個数: 48

約数和(自身を含む): 588234528

約数和(自身を除く): 370371008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 194521, 389042, 778084, 972605, 1361647, 1556168, 1945210, 2723294, 3112336, 3890420, 5446588, 6224672, 6808235, 7780840, 10893176, 13616470, 15561680, 21786352, 27232940, 31123360, 43572704, 54465880, 108931760, 217863520]

約数ペア:

[(1, 217863520), (2, 108931760), (4, 54465880), (5, 43572704), (7, 31123360), (8, 27232940), (10, 21786352), (14, 15561680), (16, 13616470), (20, 10893176), (28, 7780840), (32, 6808235), (35, 6224672), (40, 5446588), (56, 3890420), (70, 3112336), (80, 2723294), (112, 1945210), (140, 1556168), (160, 1361647), (224, 972605), (280, 778084), (560, 389042), (1120, 194521)]