97957980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1399}}^1$

素因数の和:1803

約数の個数: 72

約数和(自身を含む): 298116000

約数和(自身を除く): 200158020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1399, 1556, 1945, 2334, 2798, 3501, 3890, 4197, 4668, 5596, 5835, 6995, 7002, 7780, 8394, 11670, 12591, 13990, 14004, 16788, 17505, 20985, 23340, 25182, 27980, 35010, 41970, 50364, 62955, 70020, 83940, 125910, 251820, 544211, 1088422, 1632633, 2176844, 2721055, 3265266, 4897899, 5442110, 6530532, 8163165, 9795798, 10884220, 16326330, 19591596, 24489495, 32652660, 48978990, 97957980]

約数ペア:

[(1, 97957980), (2, 48978990), (3, 32652660), (4, 24489495), (5, 19591596), (6, 16326330), (9, 10884220), (10, 9795798), (12, 8163165), (15, 6530532), (18, 5442110), (20, 4897899), (30, 3265266), (36, 2721055), (45, 2176844), (60, 1632633), (90, 1088422), (180, 544211), (389, 251820), (778, 125910), (1167, 83940), (1399, 70020), (1556, 62955), (1945, 50364), (2334, 41970), (2798, 35010), (3501, 27980), (3890, 25182), (4197, 23340), (4668, 20985), (5596, 17505), (5835, 16788), (6995, 14004), (7002, 13990), (7780, 12591), (8394, 11670)]