30489500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:264

約数の個数: 72

約数和(自身を含む): 71071728

約数和(自身を除く): 40582228

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 211, 250, 289, 340, 422, 425, 500, 578, 844, 850, 1055, 1156, 1445, 1700, 2110, 2125, 2890, 3587, 4220, 4250, 5275, 5780, 7174, 7225, 8500, 10550, 14348, 14450, 17935, 21100, 26375, 28900, 35870, 36125, 52750, 60979, 71740, 72250, 89675, 105500, 121958, 144500, 179350, 243916, 304895, 358700, 448375, 609790, 896750, 1219580, 1524475, 1793500, 3048950, 6097900, 7622375, 15244750, 30489500]

約数ペア:

[(1, 30489500), (2, 15244750), (4, 7622375), (5, 6097900), (10, 3048950), (17, 1793500), (20, 1524475), (25, 1219580), (34, 896750), (50, 609790), (68, 448375), (85, 358700), (100, 304895), (125, 243916), (170, 179350), (211, 144500), (250, 121958), (289, 105500), (340, 89675), (422, 72250), (425, 71740), (500, 60979), (578, 52750), (844, 36125), (850, 35870), (1055, 28900), (1156, 26375), (1445, 21100), (1700, 17935), (2110, 14450), (2125, 14348), (2890, 10550), (3587, 8500), (4220, 7225), (4250, 7174), (5275, 5780)]