30428025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 53687040

約数和(自身を除く): 23259015

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 131, 163, 285, 393, 475, 489, 655, 815, 1425, 1965, 2445, 2489, 3097, 3275, 4075, 7467, 9291, 9825, 12225, 12445, 15485, 21353, 37335, 46455, 62225, 64059, 77425, 106765, 186675, 232275, 320295, 405707, 533825, 1217121, 1601475, 2028535, 6085605, 10142675, 30428025]

約数ペア:

[(1, 30428025), (3, 10142675), (5, 6085605), (15, 2028535), (19, 1601475), (25, 1217121), (57, 533825), (75, 405707), (95, 320295), (131, 232275), (163, 186675), (285, 106765), (393, 77425), (475, 64059), (489, 62225), (655, 46455), (815, 37335), (1425, 21353), (1965, 15485), (2445, 12445), (2489, 12225), (3097, 9825), (3275, 9291), (4075, 7467)]