30458740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3779}}^1$

素因数の和:3832

約数の個数: 48

約数和(自身を含む): 71124480

約数和(自身を除く): 40665740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3779, 4030, 7558, 8060, 15116, 18895, 37790, 49127, 75580, 98254, 117149, 196508, 234298, 245635, 468596, 491270, 585745, 982540, 1171490, 1522937, 2342980, 3045874, 6091748, 7614685, 15229370, 30458740]

約数ペア:

[(1, 30458740), (2, 15229370), (4, 7614685), (5, 6091748), (10, 3045874), (13, 2342980), (20, 1522937), (26, 1171490), (31, 982540), (52, 585745), (62, 491270), (65, 468596), (124, 245635), (130, 234298), (155, 196508), (260, 117149), (310, 98254), (403, 75580), (620, 49127), (806, 37790), (1612, 18895), (2015, 15116), (3779, 8060), (4030, 7558)]