7719210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 20217600

約数和(自身を除く): 12498390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 431, 597, 862, 995, 1194, 1293, 1791, 1990, 2155, 2586, 2985, 3582, 3879, 4310, 5970, 6465, 7758, 8955, 12930, 17910, 19395, 38790, 85769, 171538, 257307, 428845, 514614, 771921, 857690, 1286535, 1543842, 2573070, 3859605, 7719210]

約数ペア:

[(1, 7719210), (2, 3859605), (3, 2573070), (5, 1543842), (6, 1286535), (9, 857690), (10, 771921), (15, 514614), (18, 428845), (30, 257307), (45, 171538), (90, 85769), (199, 38790), (398, 19395), (431, 17910), (597, 12930), (862, 8955), (995, 7758), (1194, 6465), (1293, 5970), (1791, 4310), (1990, 3879), (2155, 3582), (2586, 2985)]