149208020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13997}}^1$

素因数の和:14060

約数の個数: 48

約数和(自身を含む): 345694608

約数和(自身を除く): 196486588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 13997, 27994, 55988, 69985, 139970, 181961, 279940, 363922, 573877, 727844, 909805, 1147754, 1819610, 2295508, 2869385, 3639220, 5738770, 7460401, 11477540, 14920802, 29841604, 37302005, 74604010, 149208020]

約数ペア:

[(1, 149208020), (2, 74604010), (4, 37302005), (5, 29841604), (10, 14920802), (13, 11477540), (20, 7460401), (26, 5738770), (41, 3639220), (52, 2869385), (65, 2295508), (82, 1819610), (130, 1147754), (164, 909805), (205, 727844), (260, 573877), (410, 363922), (533, 279940), (820, 181961), (1066, 139970), (2132, 69985), (2665, 55988), (5330, 27994), (10660, 13997)]