4184740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 10209024

約数和(自身を除く): 6024284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 421, 497, 710, 842, 994, 1420, 1684, 1988, 2105, 2485, 2947, 4210, 4970, 5894, 8420, 9940, 11788, 14735, 29470, 29891, 58940, 59782, 119564, 149455, 209237, 298910, 418474, 597820, 836948, 1046185, 2092370, 4184740]

約数ペア:

[(1, 4184740), (2, 2092370), (4, 1046185), (5, 836948), (7, 597820), (10, 418474), (14, 298910), (20, 209237), (28, 149455), (35, 119564), (70, 59782), (71, 58940), (140, 29891), (142, 29470), (284, 14735), (355, 11788), (421, 9940), (497, 8420), (710, 5894), (842, 4970), (994, 4210), (1420, 2947), (1684, 2485), (1988, 2105)]