212260720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12227}}^1$

素因数の和:12278

約数の個数: 80

約数和(自身を含む): 582248448

約数和(自身を除く): 369987728

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, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12227, 17360, 24454, 48908, 61135, 85589, 97816, 122270, 171178, 195632, 244540, 342356, 379037, 427945, 489080, 684712, 758074, 855890, 978160, 1369424, 1516148, 1711780, 1895185, 2653259, 3032296, 3423560, 3790370, 5306518, 6064592, 6847120, 7580740, 10613036, 13266295, 15161480, 21226072, 26532590, 30322960, 42452144, 53065180, 106130360, 212260720]

約数ペア:

[(1, 212260720), (2, 106130360), (4, 53065180), (5, 42452144), (7, 30322960), (8, 26532590), (10, 21226072), (14, 15161480), (16, 13266295), (20, 10613036), (28, 7580740), (31, 6847120), (35, 6064592), (40, 5306518), (56, 3790370), (62, 3423560), (70, 3032296), (80, 2653259), (112, 1895185), (124, 1711780), (140, 1516148), (155, 1369424), (217, 978160), (248, 855890), (280, 758074), (310, 684712), (434, 489080), (496, 427945), (560, 379037), (620, 342356), (868, 244540), (1085, 195632), (1240, 171178), (1736, 122270), (2170, 97816), (2480, 85589), (3472, 61135), (4340, 48908), (8680, 24454), (12227, 17360)]