216821700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{240913}}^1$

素因数の和:240933

約数の個数: 54

約数和(自身を含む): 679618394

約数和(自身を除く): 462796694

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 240913, 481826, 722739, 963652, 1204565, 1445478, 2168217, 2409130, 2890956, 3613695, 4336434, 4818260, 6022825, 7227390, 8672868, 10841085, 12045650, 14454780, 18068475, 21682170, 24091300, 36136950, 43364340, 54205425, 72273900, 108410850, 216821700]

約数ペア:

[(1, 216821700), (2, 108410850), (3, 72273900), (4, 54205425), (5, 43364340), (6, 36136950), (9, 24091300), (10, 21682170), (12, 18068475), (15, 14454780), (18, 12045650), (20, 10841085), (25, 8672868), (30, 7227390), (36, 6022825), (45, 4818260), (50, 4336434), (60, 3613695), (75, 2890956), (90, 2409130), (100, 2168217), (150, 1445478), (180, 1204565), (225, 963652), (300, 722739), (450, 481826), (900, 240913)]