20149202290

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5874403}}^1$

素因数の和:5874431

約数の個数: 32

約数和(自身を含む): 42295708800

約数和(自身を除く): 22146506510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5874403, 11748806, 29372015, 41120821, 58744030, 82241642, 205604105, 287845747, 411208210, 575691494, 1439228735, 2014920229, 2878457470, 4029840458, 10074601145, 20149202290]

約数ペア:

[(1, 20149202290), (2, 10074601145), (5, 4029840458), (7, 2878457470), (10, 2014920229), (14, 1439228735), (35, 575691494), (49, 411208210), (70, 287845747), (98, 205604105), (245, 82241642), (343, 58744030), (490, 41120821), (686, 29372015), (1715, 11748806), (3430, 5874403)]