2019445720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{691591}}^1$

素因数の和:691675

約数の個数: 32

約数和(自身を含む): 4606002720

約数和(自身を除く): 2586557000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 691591, 1383182, 2766364, 3457955, 5532728, 6915910, 13831820, 27663640, 50486143, 100972286, 201944572, 252430715, 403889144, 504861430, 1009722860, 2019445720]

約数ペア:

[(1, 2019445720), (2, 1009722860), (4, 504861430), (5, 403889144), (8, 252430715), (10, 201944572), (20, 100972286), (40, 50486143), (73, 27663640), (146, 13831820), (292, 6915910), (365, 5532728), (584, 3457955), (730, 2766364), (1460, 1383182), (2920, 691591)]