201639130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1999}}^1$

素因数の和:2155

約数の個数: 64

約数和(自身を含む): 456192000

約数和(自身を除く): 254552870

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 131, 154, 262, 385, 655, 770, 917, 1310, 1441, 1834, 1999, 2882, 3998, 4585, 7205, 9170, 9995, 10087, 13993, 14410, 19990, 20174, 21989, 27986, 43978, 50435, 69965, 100870, 109945, 139930, 153923, 219890, 261869, 307846, 523738, 769615, 1309345, 1539230, 1833083, 2618690, 2880559, 3666166, 5761118, 9165415, 14402795, 18330830, 20163913, 28805590, 40327826, 100819565, 201639130]

約数ペア:

[(1, 201639130), (2, 100819565), (5, 40327826), (7, 28805590), (10, 20163913), (11, 18330830), (14, 14402795), (22, 9165415), (35, 5761118), (55, 3666166), (70, 2880559), (77, 2618690), (110, 1833083), (131, 1539230), (154, 1309345), (262, 769615), (385, 523738), (655, 307846), (770, 261869), (917, 219890), (1310, 153923), (1441, 139930), (1834, 109945), (1999, 100870), (2882, 69965), (3998, 50435), (4585, 43978), (7205, 27986), (9170, 21989), (9995, 20174), (10087, 19990), (13993, 14410)]