89542040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1607}}^1$

素因数の和:1824

約数の個数: 64

約数和(自身を含む): 231552000

約数和(自身を除く): 142009960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1607, 1990, 2786, 3214, 3980, 5572, 6428, 6965, 7960, 8035, 11144, 11249, 12856, 13930, 16070, 22498, 27860, 32140, 44996, 55720, 56245, 64280, 89992, 112490, 224980, 319793, 449960, 639586, 1279172, 1598965, 2238551, 2558344, 3197930, 4477102, 6395860, 8954204, 11192755, 12791720, 17908408, 22385510, 44771020, 89542040]

約数ペア:

[(1, 89542040), (2, 44771020), (4, 22385510), (5, 17908408), (7, 12791720), (8, 11192755), (10, 8954204), (14, 6395860), (20, 4477102), (28, 3197930), (35, 2558344), (40, 2238551), (56, 1598965), (70, 1279172), (140, 639586), (199, 449960), (280, 319793), (398, 224980), (796, 112490), (995, 89992), (1393, 64280), (1592, 56245), (1607, 55720), (1990, 44996), (2786, 32140), (3214, 27860), (3980, 22498), (5572, 16070), (6428, 13930), (6965, 12856), (7960, 11249), (8035, 11144)]