31272850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 66960000

約数和(自身を除く): 35687150

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 199, 350, 398, 449, 898, 995, 1393, 1990, 2245, 2786, 3143, 4490, 4975, 6286, 6965, 9950, 11225, 13930, 15715, 22450, 31430, 34825, 69650, 78575, 89351, 157150, 178702, 446755, 625457, 893510, 1250914, 2233775, 3127285, 4467550, 6254570, 15636425, 31272850]

約数ペア:

[(1, 31272850), (2, 15636425), (5, 6254570), (7, 4467550), (10, 3127285), (14, 2233775), (25, 1250914), (35, 893510), (50, 625457), (70, 446755), (175, 178702), (199, 157150), (350, 89351), (398, 78575), (449, 69650), (898, 34825), (995, 31430), (1393, 22450), (1990, 15715), (2245, 13930), (2786, 11225), (3143, 9950), (4490, 6965), (4975, 6286)]