3940720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 10856448

約数和(自身を除く): 6915728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 227, 248, 280, 310, 434, 454, 496, 560, 620, 868, 908, 1085, 1135, 1240, 1589, 1736, 1816, 2170, 2270, 2480, 3178, 3472, 3632, 4340, 4540, 6356, 7037, 7945, 8680, 9080, 12712, 14074, 15890, 17360, 18160, 25424, 28148, 31780, 35185, 49259, 56296, 63560, 70370, 98518, 112592, 127120, 140740, 197036, 246295, 281480, 394072, 492590, 562960, 788144, 985180, 1970360, 3940720]

約数ペア:

[(1, 3940720), (2, 1970360), (4, 985180), (5, 788144), (7, 562960), (8, 492590), (10, 394072), (14, 281480), (16, 246295), (20, 197036), (28, 140740), (31, 127120), (35, 112592), (40, 98518), (56, 70370), (62, 63560), (70, 56296), (80, 49259), (112, 35185), (124, 31780), (140, 28148), (155, 25424), (217, 18160), (227, 17360), (248, 15890), (280, 14074), (310, 12712), (434, 9080), (454, 8680), (496, 7945), (560, 7037), (620, 6356), (868, 4540), (908, 4340), (1085, 3632), (1135, 3472), (1240, 3178), (1589, 2480), (1736, 2270), (1816, 2170)]