340657980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{436741}}^1$

素因数の和:436766

約数の個数: 48

約数和(自身を含む): 1027217184

約数和(自身を除く): 686559204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 436741, 873482, 1310223, 1746964, 2183705, 2620446, 4367410, 5240892, 5677633, 6551115, 8734820, 11355266, 13102230, 17032899, 22710532, 26204460, 28388165, 34065798, 56776330, 68131596, 85164495, 113552660, 170328990, 340657980]

約数ペア:

[(1, 340657980), (2, 170328990), (3, 113552660), (4, 85164495), (5, 68131596), (6, 56776330), (10, 34065798), (12, 28388165), (13, 26204460), (15, 22710532), (20, 17032899), (26, 13102230), (30, 11355266), (39, 8734820), (52, 6551115), (60, 5677633), (65, 5240892), (78, 4367410), (130, 2620446), (156, 2183705), (195, 1746964), (260, 1310223), (390, 873482), (780, 436741)]