206310580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6791}}^1$

素因数の和:6845

約数の個数: 72

約数和(自身を含む): 520321536

約数和(自身を除く): 314010956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 6791, 7595, 13582, 15190, 27164, 30380, 33955, 47537, 67910, 95074, 135820, 190148, 210521, 237685, 332759, 421042, 475370, 665518, 842084, 950740, 1052605, 1331036, 1473647, 1663795, 2105210, 2947294, 3327590, 4210420, 5894588, 6655180, 7368235, 10315529, 14736470, 20631058, 29472940, 41262116, 51577645, 103155290, 206310580]

約数ペア:

[(1, 206310580), (2, 103155290), (4, 51577645), (5, 41262116), (7, 29472940), (10, 20631058), (14, 14736470), (20, 10315529), (28, 7368235), (31, 6655180), (35, 5894588), (49, 4210420), (62, 3327590), (70, 2947294), (98, 2105210), (124, 1663795), (140, 1473647), (155, 1331036), (196, 1052605), (217, 950740), (245, 842084), (310, 665518), (434, 475370), (490, 421042), (620, 332759), (868, 237685), (980, 210521), (1085, 190148), (1519, 135820), (2170, 95074), (3038, 67910), (4340, 47537), (6076, 33955), (6791, 30380), (7595, 27164), (13582, 15190)]