212642500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:479

約数の個数: 120

約数和(自身を含む): 551073600

約数和(自身を除く): 338431100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 125, 140, 145, 175, 203, 250, 290, 350, 406, 419, 500, 580, 625, 700, 725, 812, 838, 875, 1015, 1250, 1450, 1676, 1750, 2030, 2095, 2500, 2900, 2933, 3500, 3625, 4060, 4190, 4375, 5075, 5866, 7250, 8380, 8750, 10150, 10475, 11732, 12151, 14500, 14665, 17500, 18125, 20300, 20950, 24302, 25375, 29330, 36250, 41900, 48604, 50750, 52375, 58660, 60755, 72500, 73325, 85057, 101500, 104750, 121510, 126875, 146650, 170114, 209500, 243020, 253750, 261875, 293300, 303775, 340228, 366625, 425285, 507500, 523750, 607550, 733250, 850570, 1047500, 1215100, 1466500, 1518875, 1701140, 1833125, 2126425, 3037750, 3666250, 4252850, 6075500, 7332500, 7594375, 8505700, 10632125, 15188750, 21264250, 30377500, 42528500, 53160625, 106321250, 212642500]

約数ペア:

[(1, 212642500), (2, 106321250), (4, 53160625), (5, 42528500), (7, 30377500), (10, 21264250), (14, 15188750), (20, 10632125), (25, 8505700), (28, 7594375), (29, 7332500), (35, 6075500), (50, 4252850), (58, 3666250), (70, 3037750), (100, 2126425), (116, 1833125), (125, 1701140), (140, 1518875), (145, 1466500), (175, 1215100), (203, 1047500), (250, 850570), (290, 733250), (350, 607550), (406, 523750), (419, 507500), (500, 425285), (580, 366625), (625, 340228), (700, 303775), (725, 293300), (812, 261875), (838, 253750), (875, 243020), (1015, 209500), (1250, 170114), (1450, 146650), (1676, 126875), (1750, 121510), (2030, 104750), (2095, 101500), (2500, 85057), (2900, 73325), (2933, 72500), (3500, 60755), (3625, 58660), (4060, 52375), (4190, 50750), (4375, 48604), (5075, 41900), (5866, 36250), (7250, 29330), (8380, 25375), (8750, 24302), (10150, 20950), (10475, 20300), (11732, 18125), (12151, 17500), (14500, 14665)]