28722580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 62060544

約数和(自身を除く): 33337964

約数列:

[1, 2, 4, 5, 10, 20, 73, 103, 146, 191, 206, 292, 365, 382, 412, 515, 730, 764, 955, 1030, 1460, 1910, 2060, 3820, 7519, 13943, 15038, 19673, 27886, 30076, 37595, 39346, 55772, 69715, 75190, 78692, 98365, 139430, 150380, 196730, 278860, 393460, 1436129, 2872258, 5744516, 7180645, 14361290, 28722580]

約数ペア:

[(1, 28722580), (2, 14361290), (4, 7180645), (5, 5744516), (10, 2872258), (20, 1436129), (73, 393460), (103, 278860), (146, 196730), (191, 150380), (206, 139430), (292, 98365), (365, 78692), (382, 75190), (412, 69715), (515, 55772), (730, 39346), (764, 37595), (955, 30076), (1030, 27886), (1460, 19673), (1910, 15038), (2060, 13943), (3820, 7519)]