204129100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{41659}}^1$

素因数の和:41687

約数の個数: 54

約数和(自身を含む): 515292540

約数和(自身を除く): 311163440

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 41659, 83318, 166636, 208295, 291613, 416590, 583226, 833180, 1041475, 1166452, 1458065, 2041291, 2082950, 2916130, 4082582, 4165900, 5832260, 7290325, 8165164, 10206455, 14580650, 20412910, 29161300, 40825820, 51032275, 102064550, 204129100]

約数ペア:

[(1, 204129100), (2, 102064550), (4, 51032275), (5, 40825820), (7, 29161300), (10, 20412910), (14, 14580650), (20, 10206455), (25, 8165164), (28, 7290325), (35, 5832260), (49, 4165900), (50, 4082582), (70, 2916130), (98, 2082950), (100, 2041291), (140, 1458065), (175, 1166452), (196, 1041475), (245, 833180), (350, 583226), (490, 416590), (700, 291613), (980, 208295), (1225, 166636), (2450, 83318), (4900, 41659)]