215785500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{20551}}^1$

素因数の和:20580

約数の個数: 96

約数和(自身を含む): 718169088

約数和(自身を除く): 502383588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 700, 750, 875, 1050, 1500, 1750, 2100, 2625, 3500, 5250, 10500, 20551, 41102, 61653, 82204, 102755, 123306, 143857, 205510, 246612, 287714, 308265, 411020, 431571, 513775, 575428, 616530, 719285, 863142, 1027550, 1233060, 1438570, 1541325, 1726284, 2055100, 2157855, 2568875, 2877140, 3082650, 3596425, 4315710, 5137750, 6165300, 7192850, 7706625, 8631420, 10275500, 10789275, 14385700, 15413250, 17982125, 21578550, 30826500, 35964250, 43157100, 53946375, 71928500, 107892750, 215785500]

約数ペア:

[(1, 215785500), (2, 107892750), (3, 71928500), (4, 53946375), (5, 43157100), (6, 35964250), (7, 30826500), (10, 21578550), (12, 17982125), (14, 15413250), (15, 14385700), (20, 10789275), (21, 10275500), (25, 8631420), (28, 7706625), (30, 7192850), (35, 6165300), (42, 5137750), (50, 4315710), (60, 3596425), (70, 3082650), (75, 2877140), (84, 2568875), (100, 2157855), (105, 2055100), (125, 1726284), (140, 1541325), (150, 1438570), (175, 1233060), (210, 1027550), (250, 863142), (300, 719285), (350, 616530), (375, 575428), (420, 513775), (500, 431571), (525, 411020), (700, 308265), (750, 287714), (875, 246612), (1050, 205510), (1500, 143857), (1750, 123306), (2100, 102755), (2625, 82204), (3500, 61653), (5250, 41102), (10500, 20551)]