207813710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 420336000

約数和(自身を除く): 212522290

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 199, 277, 290, 377, 398, 554, 754, 995, 1385, 1885, 1990, 2587, 2770, 3601, 3770, 5174, 5771, 7202, 8033, 11542, 12935, 16066, 18005, 25870, 28855, 36010, 40165, 55123, 57710, 75023, 80330, 104429, 110246, 150046, 208858, 275615, 375115, 522145, 551230, 716599, 750230, 1044290, 1433198, 1598567, 3197134, 3582995, 7165990, 7992835, 15985670, 20781371, 41562742, 103906855, 207813710]

約数ペア:

[(1, 207813710), (2, 103906855), (5, 41562742), (10, 20781371), (13, 15985670), (26, 7992835), (29, 7165990), (58, 3582995), (65, 3197134), (130, 1598567), (145, 1433198), (199, 1044290), (277, 750230), (290, 716599), (377, 551230), (398, 522145), (554, 375115), (754, 275615), (995, 208858), (1385, 150046), (1885, 110246), (1990, 104429), (2587, 80330), (2770, 75023), (3601, 57710), (3770, 55123), (5174, 40165), (5771, 36010), (7202, 28855), (8033, 25870), (11542, 18005), (12935, 16066)]