172119740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{50923}}^1$

素因数の和:50958

約数の個数: 36

約数和(自身を含む): 391401864

約数和(自身を除く): 219282124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 50923, 101846, 203692, 254615, 509230, 661999, 1018460, 1323998, 2647996, 3309995, 6619990, 8605987, 13239980, 17211974, 34423948, 43029935, 86059870, 172119740]

約数ペア:

[(1, 172119740), (2, 86059870), (4, 43029935), (5, 34423948), (10, 17211974), (13, 13239980), (20, 8605987), (26, 6619990), (52, 3309995), (65, 2647996), (130, 1323998), (169, 1018460), (260, 661999), (338, 509230), (676, 254615), (845, 203692), (1690, 101846), (3380, 50923)]