78337180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 168848064

約数和(自身を除く): 90510884

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 263, 265, 281, 526, 530, 562, 1052, 1060, 1124, 1315, 1405, 2630, 2810, 5260, 5620, 13939, 14893, 27878, 29786, 55756, 59572, 69695, 73903, 74465, 139390, 147806, 148930, 278780, 295612, 297860, 369515, 739030, 1478060, 3916859, 7833718, 15667436, 19584295, 39168590, 78337180]

約数ペア:

[(1, 78337180), (2, 39168590), (4, 19584295), (5, 15667436), (10, 7833718), (20, 3916859), (53, 1478060), (106, 739030), (212, 369515), (263, 297860), (265, 295612), (281, 278780), (526, 148930), (530, 147806), (562, 139390), (1052, 74465), (1060, 73903), (1124, 69695), (1315, 59572), (1405, 55756), (2630, 29786), (2810, 27878), (5260, 14893), (5620, 13939)]