206650460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{787}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 458048640

約数和(自身を除く): 251398180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 691, 787, 1382, 1574, 2764, 3148, 3455, 3935, 6910, 7870, 13129, 13820, 14953, 15740, 26258, 29906, 52516, 59812, 65645, 74765, 131290, 149530, 262580, 299060, 543817, 1087634, 2175268, 2719085, 5438170, 10332523, 10876340, 20665046, 41330092, 51662615, 103325230, 206650460]

約数ペア:

[(1, 206650460), (2, 103325230), (4, 51662615), (5, 41330092), (10, 20665046), (19, 10876340), (20, 10332523), (38, 5438170), (76, 2719085), (95, 2175268), (190, 1087634), (380, 543817), (691, 299060), (787, 262580), (1382, 149530), (1574, 131290), (2764, 74765), (3148, 65645), (3455, 59812), (3935, 52516), (6910, 29906), (7870, 26258), (13129, 15740), (13820, 14953)]