21967500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 66916080

約数和(自身を除く): 44948580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 101, 116, 125, 145, 150, 174, 202, 250, 290, 300, 303, 348, 375, 404, 435, 500, 505, 580, 606, 625, 725, 750, 870, 1010, 1212, 1250, 1450, 1500, 1515, 1740, 1875, 2020, 2175, 2500, 2525, 2900, 2929, 3030, 3625, 3750, 4350, 5050, 5858, 6060, 7250, 7500, 7575, 8700, 8787, 10100, 10875, 11716, 12625, 14500, 14645, 15150, 17574, 18125, 21750, 25250, 29290, 30300, 35148, 36250, 37875, 43500, 43935, 50500, 54375, 58580, 63125, 72500, 73225, 75750, 87870, 108750, 126250, 146450, 151500, 175740, 189375, 217500, 219675, 252500, 292900, 366125, 378750, 439350, 732250, 757500, 878700, 1098375, 1464500, 1830625, 2196750, 3661250, 4393500, 5491875, 7322500, 10983750, 21967500]

約数ペア:

[(1, 21967500), (2, 10983750), (3, 7322500), (4, 5491875), (5, 4393500), (6, 3661250), (10, 2196750), (12, 1830625), (15, 1464500), (20, 1098375), (25, 878700), (29, 757500), (30, 732250), (50, 439350), (58, 378750), (60, 366125), (75, 292900), (87, 252500), (100, 219675), (101, 217500), (116, 189375), (125, 175740), (145, 151500), (150, 146450), (174, 126250), (202, 108750), (250, 87870), (290, 75750), (300, 73225), (303, 72500), (348, 63125), (375, 58580), (404, 54375), (435, 50500), (500, 43935), (505, 43500), (580, 37875), (606, 36250), (625, 35148), (725, 30300), (750, 29290), (870, 25250), (1010, 21750), (1212, 18125), (1250, 17574), (1450, 15150), (1500, 14645), (1515, 14500), (1740, 12625), (1875, 11716), (2020, 10875), (2175, 10100), (2500, 8787), (2525, 8700), (2900, 7575), (2929, 7500), (3030, 7250), (3625, 6060), (3750, 5858), (4350, 5050)]