90302725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 127759680

約数和(自身を除く): 37456955

約数列:

[1, 5, 17, 19, 25, 53, 85, 95, 211, 265, 323, 425, 475, 901, 1007, 1055, 1325, 1615, 3587, 4009, 4505, 5035, 5275, 8075, 11183, 17119, 17935, 20045, 22525, 25175, 55915, 68153, 85595, 89675, 100225, 190111, 212477, 279575, 340765, 427975, 950555, 1062385, 1703825, 3612109, 4752775, 5311925, 18060545, 90302725]

約数ペア:

[(1, 90302725), (5, 18060545), (17, 5311925), (19, 4752775), (25, 3612109), (53, 1703825), (85, 1062385), (95, 950555), (211, 427975), (265, 340765), (323, 279575), (425, 212477), (475, 190111), (901, 100225), (1007, 89675), (1055, 85595), (1325, 68153), (1615, 55915), (3587, 25175), (4009, 22525), (4505, 20045), (5035, 17935), (5275, 17119), (8075, 11183)]