217489300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3491}}^1$

素因数の和:3601

約数の個数: 72

約数和(自身を含む): 545590080

約数和(自身を除く): 328100780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 140, 175, 178, 350, 356, 445, 623, 700, 890, 1246, 1780, 2225, 2492, 3115, 3491, 4450, 6230, 6982, 8900, 12460, 13964, 15575, 17455, 24437, 31150, 34910, 48874, 62300, 69820, 87275, 97748, 122185, 174550, 244370, 310699, 349100, 488740, 610925, 621398, 1221850, 1242796, 1553495, 2174893, 2443700, 3106990, 4349786, 6213980, 7767475, 8699572, 10874465, 15534950, 21748930, 31069900, 43497860, 54372325, 108744650, 217489300]

約数ペア:

[(1, 217489300), (2, 108744650), (4, 54372325), (5, 43497860), (7, 31069900), (10, 21748930), (14, 15534950), (20, 10874465), (25, 8699572), (28, 7767475), (35, 6213980), (50, 4349786), (70, 3106990), (89, 2443700), (100, 2174893), (140, 1553495), (175, 1242796), (178, 1221850), (350, 621398), (356, 610925), (445, 488740), (623, 349100), (700, 310699), (890, 244370), (1246, 174550), (1780, 122185), (2225, 97748), (2492, 87275), (3115, 69820), (3491, 62300), (4450, 48874), (6230, 34910), (6982, 31150), (8900, 24437), (12460, 17455), (13964, 15575)]