128534980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8423}}^1$

素因数の和:8548

約数の個数: 48

約数和(自身を含む): 311351040

約数和(自身を除く): 182816060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 8423, 15260, 16846, 33692, 42115, 58961, 84230, 117922, 168460, 235844, 294805, 589610, 918107, 1179220, 1836214, 3672428, 4590535, 6426749, 9181070, 12853498, 18362140, 25706996, 32133745, 64267490, 128534980]

約数ペア:

[(1, 128534980), (2, 64267490), (4, 32133745), (5, 25706996), (7, 18362140), (10, 12853498), (14, 9181070), (20, 6426749), (28, 4590535), (35, 3672428), (70, 1836214), (109, 1179220), (140, 918107), (218, 589610), (436, 294805), (545, 235844), (763, 168460), (1090, 117922), (1526, 84230), (2180, 58961), (3052, 42115), (3815, 33692), (7630, 16846), (8423, 15260)]