201455950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2663}}^1$

素因数の和:2781

約数の個数: 48

約数和(自身を含む): 401358240

約数和(自身を除く): 199902290

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 89, 170, 178, 425, 445, 850, 890, 1513, 2225, 2663, 3026, 4450, 5326, 7565, 13315, 15130, 26630, 37825, 45271, 66575, 75650, 90542, 133150, 226355, 237007, 452710, 474014, 1131775, 1185035, 2263550, 2370070, 4029119, 5925175, 8058238, 11850350, 20145595, 40291190, 100727975, 201455950]

約数ペア:

[(1, 201455950), (2, 100727975), (5, 40291190), (10, 20145595), (17, 11850350), (25, 8058238), (34, 5925175), (50, 4029119), (85, 2370070), (89, 2263550), (170, 1185035), (178, 1131775), (425, 474014), (445, 452710), (850, 237007), (890, 226355), (1513, 133150), (2225, 90542), (2663, 75650), (3026, 66575), (4450, 45271), (5326, 37825), (7565, 26630), (13315, 15130)]