396952140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{508913}}^1$

素因数の和:508938

約数の個数: 48

約数和(自身を含む): 1196965728

約数和(自身を除く): 800013588

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, 508913, 1017826, 1526739, 2035652, 2544565, 3053478, 5089130, 6106956, 6615869, 7633695, 10178260, 13231738, 15267390, 19847607, 26463476, 30534780, 33079345, 39695214, 66158690, 79390428, 99238035, 132317380, 198476070, 396952140]

約数ペア:

[(1, 396952140), (2, 198476070), (3, 132317380), (4, 99238035), (5, 79390428), (6, 66158690), (10, 39695214), (12, 33079345), (13, 30534780), (15, 26463476), (20, 19847607), (26, 15267390), (30, 13231738), (39, 10178260), (52, 7633695), (60, 6615869), (65, 6106956), (78, 5089130), (130, 3053478), (156, 2544565), (195, 2035652), (260, 1526739), (390, 1017826), (780, 508913)]