207982460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{212227}}^1$

素因数の和:212250

約数の個数: 36

約数和(自身を含む): 508073832

約数和(自身を除く): 300091372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 212227, 424454, 848908, 1061135, 1485589, 2122270, 2971178, 4244540, 5942356, 7427945, 10399123, 14855890, 20798246, 29711780, 41596492, 51995615, 103991230, 207982460]

約数ペア:

[(1, 207982460), (2, 103991230), (4, 51995615), (5, 41596492), (7, 29711780), (10, 20798246), (14, 14855890), (20, 10399123), (28, 7427945), (35, 5942356), (49, 4244540), (70, 2971178), (98, 2122270), (140, 1485589), (196, 1061135), (245, 848908), (490, 424454), (980, 212227)]