200869720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{68791}}^1$

素因数の和:68875

約数の個数: 32

約数和(自身を含む): 458154720

約数和(自身を除く): 257285000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 68791, 137582, 275164, 343955, 550328, 687910, 1375820, 2751640, 5021743, 10043486, 20086972, 25108715, 40173944, 50217430, 100434860, 200869720]

約数ペア:

[(1, 200869720), (2, 100434860), (4, 50217430), (5, 40173944), (8, 25108715), (10, 20086972), (20, 10043486), (40, 5021743), (73, 2751640), (146, 1375820), (292, 687910), (365, 550328), (584, 343955), (730, 275164), (1460, 137582), (2920, 68791)]