8871420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{743}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 24998400

約数和(自身を除く): 16126980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 743, 796, 995, 1194, 1486, 1990, 2229, 2388, 2972, 2985, 3715, 3980, 4458, 5970, 7430, 8916, 11145, 11940, 14860, 22290, 44580, 147857, 295714, 443571, 591428, 739285, 887142, 1478570, 1774284, 2217855, 2957140, 4435710, 8871420]

約数ペア:

[(1, 8871420), (2, 4435710), (3, 2957140), (4, 2217855), (5, 1774284), (6, 1478570), (10, 887142), (12, 739285), (15, 591428), (20, 443571), (30, 295714), (60, 147857), (199, 44580), (398, 22290), (597, 14860), (743, 11940), (796, 11145), (995, 8916), (1194, 7430), (1486, 5970), (1990, 4458), (2229, 3980), (2388, 3715), (2972, 2985)]