257651350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1222

約数の個数: 72

約数和(自身を含む): 541465344

約数和(自身を除く): 283813994

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 121, 185, 242, 275, 370, 407, 550, 605, 814, 925, 1151, 1210, 1850, 2035, 2302, 3025, 4070, 4477, 5755, 6050, 8954, 10175, 11510, 12661, 20350, 22385, 25322, 28775, 42587, 44770, 57550, 63305, 85174, 111925, 126610, 139271, 212935, 223850, 278542, 316525, 425870, 468457, 633050, 696355, 936914, 1064675, 1392710, 2129350, 2342285, 3481775, 4684570, 5153027, 6963550, 10306054, 11711425, 23422850, 25765135, 51530270, 128825675, 257651350]

約数ペア:

[(1, 257651350), (2, 128825675), (5, 51530270), (10, 25765135), (11, 23422850), (22, 11711425), (25, 10306054), (37, 6963550), (50, 5153027), (55, 4684570), (74, 3481775), (110, 2342285), (121, 2129350), (185, 1392710), (242, 1064675), (275, 936914), (370, 696355), (407, 633050), (550, 468457), (605, 425870), (814, 316525), (925, 278542), (1151, 223850), (1210, 212935), (1850, 139271), (2035, 126610), (2302, 111925), (3025, 85174), (4070, 63305), (4477, 57550), (5755, 44770), (6050, 42587), (8954, 28775), (10175, 25322), (11510, 22385), (12661, 20350)]