257549940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{75307}}^1$

素因数の和:75341

約数の個数: 72

約数和(自身を含む): 822363360

約数和(自身を除く): 564813420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 75307, 150614, 225921, 301228, 376535, 451842, 677763, 753070, 903684, 1129605, 1355526, 1430833, 1506140, 2259210, 2711052, 2861666, 3388815, 4292499, 4518420, 5723332, 6777630, 7154165, 8584998, 12877497, 13555260, 14308330, 17169996, 21462495, 25754994, 28616660, 42924990, 51509988, 64387485, 85849980, 128774970, 257549940]

約数ペア:

[(1, 257549940), (2, 128774970), (3, 85849980), (4, 64387485), (5, 51509988), (6, 42924990), (9, 28616660), (10, 25754994), (12, 21462495), (15, 17169996), (18, 14308330), (19, 13555260), (20, 12877497), (30, 8584998), (36, 7154165), (38, 6777630), (45, 5723332), (57, 4518420), (60, 4292499), (76, 3388815), (90, 2861666), (95, 2711052), (114, 2259210), (171, 1506140), (180, 1430833), (190, 1355526), (228, 1129605), (285, 903684), (342, 753070), (380, 677763), (570, 451842), (684, 376535), (855, 301228), (1140, 225921), (1710, 150614), (3420, 75307)]