220152125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 292885632

約数和(自身を除く): 72733507

約数列:

[1, 5, 17, 25, 85, 125, 211, 425, 491, 1055, 2125, 2455, 3587, 5275, 8347, 12275, 17935, 26375, 41735, 61375, 89675, 103601, 208675, 448375, 518005, 1043375, 1761217, 2590025, 8806085, 12950125, 44030425, 220152125]

約数ペア:

[(1, 220152125), (5, 44030425), (17, 12950125), (25, 8806085), (85, 2590025), (125, 1761217), (211, 1043375), (425, 518005), (491, 448375), (1055, 208675), (2125, 103601), (2455, 89675), (3587, 61375), (5275, 41735), (8347, 26375), (12275, 17935)]