18355400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{1873}}^1$

素因数の和:1903

約数の個数: 72

約数和(自身を含む): 49670370

約数和(自身を除く): 31314970

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1873, 1960, 2450, 3746, 4900, 7492, 9365, 9800, 13111, 14984, 18730, 26222, 37460, 46825, 52444, 65555, 74920, 91777, 93650, 104888, 131110, 183554, 187300, 262220, 327775, 367108, 374600, 458885, 524440, 655550, 734216, 917770, 1311100, 1835540, 2294425, 2622200, 3671080, 4588850, 9177700, 18355400]

約数ペア:

[(1, 18355400), (2, 9177700), (4, 4588850), (5, 3671080), (7, 2622200), (8, 2294425), (10, 1835540), (14, 1311100), (20, 917770), (25, 734216), (28, 655550), (35, 524440), (40, 458885), (49, 374600), (50, 367108), (56, 327775), (70, 262220), (98, 187300), (100, 183554), (140, 131110), (175, 104888), (196, 93650), (200, 91777), (245, 74920), (280, 65555), (350, 52444), (392, 46825), (490, 37460), (700, 26222), (980, 18730), (1225, 14984), (1400, 13111), (1873, 9800), (1960, 9365), (2450, 7492), (3746, 4900)]