25001900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 71995392

約数和(自身を除く): 46993492

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 154, 170, 175, 187, 191, 220, 238, 275, 308, 340, 350, 374, 382, 385, 425, 476, 550, 595, 700, 748, 764, 770, 850, 935, 955, 1100, 1190, 1309, 1337, 1540, 1700, 1870, 1910, 1925, 2101, 2380, 2618, 2674, 2975, 3247, 3740, 3820, 3850, 4202, 4675, 4775, 5236, 5348, 5950, 6494, 6545, 6685, 7700, 8404, 9350, 9550, 10505, 11900, 12988, 13090, 13370, 14707, 16235, 18700, 19100, 21010, 22729, 26180, 26740, 29414, 32470, 32725, 33425, 35717, 42020, 45458, 52525, 58828, 64940, 65450, 66850, 71434, 73535, 81175, 90916, 105050, 113645, 130900, 133700, 142868, 147070, 162350, 178585, 210100, 227290, 250019, 294140, 324700, 357170, 367675, 454580, 500038, 568225, 714340, 735350, 892925, 1000076, 1136450, 1250095, 1470700, 1785850, 2272900, 2500190, 3571700, 5000380, 6250475, 12500950, 25001900]

約数ペア:

[(1, 25001900), (2, 12500950), (4, 6250475), (5, 5000380), (7, 3571700), (10, 2500190), (11, 2272900), (14, 1785850), (17, 1470700), (20, 1250095), (22, 1136450), (25, 1000076), (28, 892925), (34, 735350), (35, 714340), (44, 568225), (50, 500038), (55, 454580), (68, 367675), (70, 357170), (77, 324700), (85, 294140), (100, 250019), (110, 227290), (119, 210100), (140, 178585), (154, 162350), (170, 147070), (175, 142868), (187, 133700), (191, 130900), (220, 113645), (238, 105050), (275, 90916), (308, 81175), (340, 73535), (350, 71434), (374, 66850), (382, 65450), (385, 64940), (425, 58828), (476, 52525), (550, 45458), (595, 42020), (700, 35717), (748, 33425), (764, 32725), (770, 32470), (850, 29414), (935, 26740), (955, 26180), (1100, 22729), (1190, 21010), (1309, 19100), (1337, 18700), (1540, 16235), (1700, 14707), (1870, 13370), (1910, 13090), (1925, 12988), (2101, 11900), (2380, 10505), (2618, 9550), (2674, 9350), (2975, 8404), (3247, 7700), (3740, 6685), (3820, 6545), (3850, 6494), (4202, 5950), (4675, 5348), (4775, 5236)]