1211694980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 2736961920

約数和(自身を除く): 1525266940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 131, 190, 202, 241, 262, 380, 404, 482, 505, 524, 655, 964, 1010, 1205, 1310, 1919, 2020, 2410, 2489, 2620, 3838, 4579, 4820, 4978, 7676, 9158, 9595, 9956, 12445, 13231, 18316, 19190, 22895, 24341, 24890, 26462, 31571, 38380, 45790, 48682, 49780, 52924, 63142, 66155, 91580, 97364, 121705, 126284, 132310, 157855, 243410, 251389, 264620, 315710, 462479, 486820, 502778, 599849, 631420, 924958, 1005556, 1199698, 1256945, 1849916, 2312395, 2399396, 2513890, 2999245, 3188671, 4624790, 5027780, 5998490, 6377342, 9249580, 11996980, 12754684, 15943355, 31886710, 60584749, 63773420, 121169498, 242338996, 302923745, 605847490, 1211694980]

約数ペア:

[(1, 1211694980), (2, 605847490), (4, 302923745), (5, 242338996), (10, 121169498), (19, 63773420), (20, 60584749), (38, 31886710), (76, 15943355), (95, 12754684), (101, 11996980), (131, 9249580), (190, 6377342), (202, 5998490), (241, 5027780), (262, 4624790), (380, 3188671), (404, 2999245), (482, 2513890), (505, 2399396), (524, 2312395), (655, 1849916), (964, 1256945), (1010, 1199698), (1205, 1005556), (1310, 924958), (1919, 631420), (2020, 599849), (2410, 502778), (2489, 486820), (2620, 462479), (3838, 315710), (4579, 264620), (4820, 251389), (4978, 243410), (7676, 157855), (9158, 132310), (9595, 126284), (9956, 121705), (12445, 97364), (13231, 91580), (18316, 66155), (19190, 63142), (22895, 52924), (24341, 49780), (24890, 48682), (26462, 45790), (31571, 38380)]