188156780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1637}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 452402496

約数和(自身を除く): 264245716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 821, 1637, 1642, 3274, 3284, 4105, 5747, 6548, 8185, 8210, 11459, 11494, 16370, 16420, 22918, 22988, 28735, 32740, 45836, 57295, 57470, 114590, 114940, 229180, 1343977, 2687954, 5375908, 6719885, 9407839, 13439770, 18815678, 26879540, 37631356, 47039195, 94078390, 188156780]

約数ペア:

[(1, 188156780), (2, 94078390), (4, 47039195), (5, 37631356), (7, 26879540), (10, 18815678), (14, 13439770), (20, 9407839), (28, 6719885), (35, 5375908), (70, 2687954), (140, 1343977), (821, 229180), (1637, 114940), (1642, 114590), (3274, 57470), (3284, 57295), (4105, 45836), (5747, 32740), (6548, 28735), (8185, 22988), (8210, 22918), (11459, 16420), (11494, 16370)]