140486780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{733}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 346999968

約数和(自身を除く): 206513188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 733, 740, 1036, 1295, 1369, 1466, 2590, 2738, 2932, 3665, 5131, 5180, 5476, 6845, 7330, 9583, 10262, 13690, 14660, 19166, 20524, 25655, 27121, 27380, 38332, 47915, 51310, 54242, 95830, 102620, 108484, 135605, 189847, 191660, 271210, 379694, 542420, 759388, 949235, 1003477, 1898470, 2006954, 3796940, 4013908, 5017385, 7024339, 10034770, 14048678, 20069540, 28097356, 35121695, 70243390, 140486780]

約数ペア:

[(1, 140486780), (2, 70243390), (4, 35121695), (5, 28097356), (7, 20069540), (10, 14048678), (14, 10034770), (20, 7024339), (28, 5017385), (35, 4013908), (37, 3796940), (70, 2006954), (74, 1898470), (140, 1003477), (148, 949235), (185, 759388), (259, 542420), (370, 379694), (518, 271210), (733, 191660), (740, 189847), (1036, 135605), (1295, 108484), (1369, 102620), (1466, 95830), (2590, 54242), (2738, 51310), (2932, 47915), (3665, 38332), (5131, 27380), (5180, 27121), (5476, 25655), (6845, 20524), (7330, 19166), (9583, 14660), (10262, 13690)]