8302280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 21600000

約数和(自身を除く): 13297720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 199, 280, 298, 398, 596, 745, 796, 995, 1043, 1192, 1393, 1490, 1592, 1990, 2086, 2786, 2980, 3980, 4172, 5215, 5572, 5960, 6965, 7960, 8344, 10430, 11144, 13930, 20860, 27860, 29651, 41720, 55720, 59302, 118604, 148255, 207557, 237208, 296510, 415114, 593020, 830228, 1037785, 1186040, 1660456, 2075570, 4151140, 8302280]

約数ペア:

[(1, 8302280), (2, 4151140), (4, 2075570), (5, 1660456), (7, 1186040), (8, 1037785), (10, 830228), (14, 593020), (20, 415114), (28, 296510), (35, 237208), (40, 207557), (56, 148255), (70, 118604), (140, 59302), (149, 55720), (199, 41720), (280, 29651), (298, 27860), (398, 20860), (596, 13930), (745, 11144), (796, 10430), (995, 8344), (1043, 7960), (1192, 6965), (1393, 5960), (1490, 5572), (1592, 5215), (1990, 4172), (2086, 3980), (2786, 2980)]