909220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1$

素因数の和:304

約数の個数: 36

約数和(自身を含む): 2075220

約数和(自身を除く): 1166000

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 269, 338, 538, 676, 845, 1076, 1345, 1690, 2690, 3380, 3497, 5380, 6994, 13988, 17485, 34970, 45461, 69940, 90922, 181844, 227305, 454610, 909220]

約数ペア:

[(1, 909220), (2, 454610), (4, 227305), (5, 181844), (10, 90922), (13, 69940), (20, 45461), (26, 34970), (52, 17485), (65, 13988), (130, 6994), (169, 5380), (260, 3497), (269, 3380), (338, 2690), (538, 1690), (676, 1345), (845, 1076)]