30739660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4481}}^1$

素因数の和:4511

約数の個数: 48

約数和(自身を含む): 75297600

約数和(自身を除く): 44557940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 4481, 6860, 8962, 17924, 22405, 31367, 44810, 62734, 89620, 125468, 156835, 219569, 313670, 439138, 627340, 878276, 1097845, 1536983, 2195690, 3073966, 4391380, 6147932, 7684915, 15369830, 30739660]

約数ペア:

[(1, 30739660), (2, 15369830), (4, 7684915), (5, 6147932), (7, 4391380), (10, 3073966), (14, 2195690), (20, 1536983), (28, 1097845), (35, 878276), (49, 627340), (70, 439138), (98, 313670), (140, 219569), (196, 156835), (245, 125468), (343, 89620), (490, 62734), (686, 44810), (980, 31367), (1372, 22405), (1715, 17924), (3430, 8962), (4481, 6860)]