213145900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5237}}^1$

素因数の和:5299

約数の個数: 72

約数和(自身を含む): 518310576

約数和(自身を除く): 305164676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 74, 100, 110, 148, 185, 220, 275, 370, 407, 550, 740, 814, 925, 1100, 1628, 1850, 2035, 3700, 4070, 5237, 8140, 10175, 10474, 20350, 20948, 26185, 40700, 52370, 57607, 104740, 115214, 130925, 193769, 230428, 261850, 288035, 387538, 523700, 576070, 775076, 968845, 1152140, 1440175, 1937690, 2131459, 2880350, 3875380, 4262918, 4844225, 5760700, 8525836, 9688450, 10657295, 19376900, 21314590, 42629180, 53286475, 106572950, 213145900]

約数ペア:

[(1, 213145900), (2, 106572950), (4, 53286475), (5, 42629180), (10, 21314590), (11, 19376900), (20, 10657295), (22, 9688450), (25, 8525836), (37, 5760700), (44, 4844225), (50, 4262918), (55, 3875380), (74, 2880350), (100, 2131459), (110, 1937690), (148, 1440175), (185, 1152140), (220, 968845), (275, 775076), (370, 576070), (407, 523700), (550, 387538), (740, 288035), (814, 261850), (925, 230428), (1100, 193769), (1628, 130925), (1850, 115214), (2035, 104740), (3700, 57607), (4070, 52370), (5237, 40700), (8140, 26185), (10175, 20948), (10474, 20350)]