7141940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2113}}^1$

素因数の和:2148

約数の個数: 36

約数和(自身を含む): 16248204

約数和(自身を除く): 9106264

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2113, 3380, 4226, 8452, 10565, 21130, 27469, 42260, 54938, 109876, 137345, 274690, 357097, 549380, 714194, 1428388, 1785485, 3570970, 7141940]

約数ペア:

[(1, 7141940), (2, 3570970), (4, 1785485), (5, 1428388), (10, 714194), (13, 549380), (20, 357097), (26, 274690), (52, 137345), (65, 109876), (130, 54938), (169, 42260), (260, 27469), (338, 21130), (676, 10565), (845, 8452), (1690, 4226), (2113, 3380)]