156905104100

素因数分解:

$2^2\times 5^2\times {\mathrm{19801}}^1\times {\mathrm{79241}}^1$

素因数の和:99056

約数の個数: 36

約数和(自身を含む): 340505568228

約数和(自身を除く): 183600464128

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 19801, 39602, 79204, 79241, 99005, 158482, 198010, 316964, 396020, 396205, 495025, 792410, 990050, 1584820, 1980100, 1981025, 3962050, 7924100, 1569051041, 3138102082, 6276204164, 7845255205, 15690510410, 31381020820, 39226276025, 78452552050, 156905104100]

約数ペア:

[(1, 156905104100), (2, 78452552050), (4, 39226276025), (5, 31381020820), (10, 15690510410), (20, 7845255205), (25, 6276204164), (50, 3138102082), (100, 1569051041), (19801, 7924100), (39602, 3962050), (79204, 1981025), (79241, 1980100), (99005, 1584820), (158482, 990050), (198010, 792410), (316964, 495025), (396020, 396205)]