2820950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 5999616

約数和(自身を除く): 3178666

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 223, 230, 253, 275, 446, 506, 550, 575, 1115, 1150, 1265, 2230, 2453, 2530, 4906, 5129, 5575, 6325, 10258, 11150, 12265, 12650, 24530, 25645, 51290, 56419, 61325, 112838, 122650, 128225, 256450, 282095, 564190, 1410475, 2820950]

約数ペア:

[(1, 2820950), (2, 1410475), (5, 564190), (10, 282095), (11, 256450), (22, 128225), (23, 122650), (25, 112838), (46, 61325), (50, 56419), (55, 51290), (110, 25645), (115, 24530), (223, 12650), (230, 12265), (253, 11150), (275, 10258), (446, 6325), (506, 5575), (550, 5129), (575, 4906), (1115, 2530), (1150, 2453), (1265, 2230)]