99987420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128189}}^1$

素因数の和:128214

約数の個数: 48

約数和(自身を含む): 301502880

約数和(自身を除く): 201515460

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, 128189, 256378, 384567, 512756, 640945, 769134, 1281890, 1538268, 1666457, 1922835, 2563780, 3332914, 3845670, 4999371, 6665828, 7691340, 8332285, 9998742, 16664570, 19997484, 24996855, 33329140, 49993710, 99987420]

約数ペア:

[(1, 99987420), (2, 49993710), (3, 33329140), (4, 24996855), (5, 19997484), (6, 16664570), (10, 9998742), (12, 8332285), (13, 7691340), (15, 6665828), (20, 4999371), (26, 3845670), (30, 3332914), (39, 2563780), (52, 1922835), (60, 1666457), (65, 1538268), (78, 1281890), (130, 769134), (156, 640945), (195, 512756), (260, 384567), (390, 256378), (780, 128189)]