252577550

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 479098800

約数和(自身を除く): 226521250

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 211, 269, 422, 445, 538, 890, 1055, 1345, 2110, 2225, 2690, 4450, 5275, 6725, 10550, 13450, 18779, 23941, 37558, 47882, 56759, 93895, 113518, 119705, 187790, 239410, 283795, 469475, 567590, 598525, 938950, 1197050, 1418975, 2837950, 5051551, 10103102, 25257755, 50515510, 126288775, 252577550]

約数ペア:

[(1, 252577550), (2, 126288775), (5, 50515510), (10, 25257755), (25, 10103102), (50, 5051551), (89, 2837950), (178, 1418975), (211, 1197050), (269, 938950), (422, 598525), (445, 567590), (538, 469475), (890, 283795), (1055, 239410), (1345, 187790), (2110, 119705), (2225, 113518), (2690, 93895), (4450, 56759), (5275, 47882), (6725, 37558), (10550, 23941), (13450, 18779)]