42848680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{769}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 110880000

約数和(自身を除く): 68031320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 769, 796, 995, 1393, 1538, 1592, 1990, 2786, 3076, 3845, 3980, 5383, 5572, 6152, 6965, 7690, 7960, 10766, 11144, 13930, 15380, 21532, 26915, 27860, 30760, 43064, 53830, 55720, 107660, 153031, 215320, 306062, 612124, 765155, 1071217, 1224248, 1530310, 2142434, 3060620, 4284868, 5356085, 6121240, 8569736, 10712170, 21424340, 42848680]

約数ペア:

[(1, 42848680), (2, 21424340), (4, 10712170), (5, 8569736), (7, 6121240), (8, 5356085), (10, 4284868), (14, 3060620), (20, 2142434), (28, 1530310), (35, 1224248), (40, 1071217), (56, 765155), (70, 612124), (140, 306062), (199, 215320), (280, 153031), (398, 107660), (769, 55720), (796, 53830), (995, 43064), (1393, 30760), (1538, 27860), (1592, 26915), (1990, 21532), (2786, 15380), (3076, 13930), (3845, 11144), (3980, 10766), (5383, 7960), (5572, 7690), (6152, 6965)]