2016139780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 4546523520

約数和(自身を除く): 2530383740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 131, 190, 202, 262, 380, 401, 404, 505, 524, 655, 802, 1010, 1310, 1604, 1919, 2005, 2020, 2489, 2620, 3838, 4010, 4978, 7619, 7676, 8020, 9595, 9956, 12445, 13231, 15238, 19190, 24890, 26462, 30476, 38095, 38380, 40501, 49780, 52531, 52924, 66155, 76190, 81002, 105062, 132310, 152380, 162004, 202505, 210124, 251389, 262655, 264620, 405010, 502778, 525310, 769519, 810020, 998089, 1005556, 1050620, 1256945, 1539038, 1996178, 2513890, 3078076, 3847595, 3992356, 4990445, 5027780, 5305631, 7695190, 9980890, 10611262, 15390380, 19961780, 21222524, 26528155, 53056310, 100806989, 106112620, 201613978, 403227956, 504034945, 1008069890, 2016139780]

約数ペア:

[(1, 2016139780), (2, 1008069890), (4, 504034945), (5, 403227956), (10, 201613978), (19, 106112620), (20, 100806989), (38, 53056310), (76, 26528155), (95, 21222524), (101, 19961780), (131, 15390380), (190, 10611262), (202, 9980890), (262, 7695190), (380, 5305631), (401, 5027780), (404, 4990445), (505, 3992356), (524, 3847595), (655, 3078076), (802, 2513890), (1010, 1996178), (1310, 1539038), (1604, 1256945), (1919, 1050620), (2005, 1005556), (2020, 998089), (2489, 810020), (2620, 769519), (3838, 525310), (4010, 502778), (4978, 405010), (7619, 264620), (7676, 262655), (8020, 251389), (9595, 210124), (9956, 202505), (12445, 162004), (13231, 152380), (15238, 132310), (19190, 105062), (24890, 81002), (26462, 76190), (30476, 66155), (38095, 52924), (38380, 52531), (40501, 49780)]