898388740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{4639}}^1$

素因数の和:5092

約数の個数: 48

約数和(自身を含む): 1973744640

約数和(自身を除く): 1075355900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 421, 460, 842, 1684, 2105, 4210, 4639, 8420, 9278, 9683, 18556, 19366, 23195, 38732, 46390, 48415, 92780, 96830, 106697, 193660, 213394, 426788, 533485, 1066970, 1953019, 2133940, 3906038, 7812076, 9765095, 19530190, 39060380, 44919437, 89838874, 179677748, 224597185, 449194370, 898388740]

約数ペア:

[(1, 898388740), (2, 449194370), (4, 224597185), (5, 179677748), (10, 89838874), (20, 44919437), (23, 39060380), (46, 19530190), (92, 9765095), (115, 7812076), (230, 3906038), (421, 2133940), (460, 1953019), (842, 1066970), (1684, 533485), (2105, 426788), (4210, 213394), (4639, 193660), (8420, 106697), (9278, 96830), (9683, 92780), (18556, 48415), (19366, 46390), (23195, 38732)]