27981250

素因数分解:

$2^1\times 5^5\times {\mathrm{11}}^2\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 72

約数和(自身を含む): 59222772

約数和(自身を除く): 31241522

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 121, 125, 185, 242, 250, 275, 370, 407, 550, 605, 625, 814, 925, 1210, 1250, 1375, 1850, 2035, 2750, 3025, 3125, 4070, 4477, 4625, 6050, 6250, 6875, 8954, 9250, 10175, 13750, 15125, 20350, 22385, 23125, 30250, 34375, 44770, 46250, 50875, 68750, 75625, 101750, 111925, 115625, 151250, 223850, 231250, 254375, 378125, 508750, 559625, 756250, 1119250, 1271875, 2543750, 2798125, 5596250, 13990625, 27981250]

約数ペア:

[(1, 27981250), (2, 13990625), (5, 5596250), (10, 2798125), (11, 2543750), (22, 1271875), (25, 1119250), (37, 756250), (50, 559625), (55, 508750), (74, 378125), (110, 254375), (121, 231250), (125, 223850), (185, 151250), (242, 115625), (250, 111925), (275, 101750), (370, 75625), (407, 68750), (550, 50875), (605, 46250), (625, 44770), (814, 34375), (925, 30250), (1210, 23125), (1250, 22385), (1375, 20350), (1850, 15125), (2035, 13750), (2750, 10175), (3025, 9250), (3125, 8954), (4070, 6875), (4477, 6250), (4625, 6050)]