4252780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 10495296

約数和(自身を除く): 6242516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 821, 1036, 1295, 1642, 2590, 3284, 4105, 5180, 5747, 8210, 11494, 16420, 22988, 28735, 30377, 57470, 60754, 114940, 121508, 151885, 212639, 303770, 425278, 607540, 850556, 1063195, 2126390, 4252780]

約数ペア:

[(1, 4252780), (2, 2126390), (4, 1063195), (5, 850556), (7, 607540), (10, 425278), (14, 303770), (20, 212639), (28, 151885), (35, 121508), (37, 114940), (70, 60754), (74, 57470), (140, 30377), (148, 28735), (185, 22988), (259, 16420), (370, 11494), (518, 8210), (740, 5747), (821, 5180), (1036, 4105), (1295, 3284), (1642, 2590)]