199972480

素因数分解:

$2^7\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1871}}^1$

素因数の和:2057

約数の個数: 64

約数和(自身を含む): 481178880

約数和(自身を除く): 281206400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 320, 334, 640, 668, 835, 1336, 1670, 1871, 2672, 3340, 3742, 5344, 6680, 7484, 9355, 10688, 13360, 14968, 18710, 21376, 26720, 29936, 37420, 53440, 59872, 74840, 106880, 119744, 149680, 239488, 299360, 312457, 598720, 624914, 1197440, 1249828, 1562285, 2499656, 3124570, 4999312, 6249140, 9998624, 12498280, 19997248, 24996560, 39994496, 49993120, 99986240, 199972480]

約数ペア:

[(1, 199972480), (2, 99986240), (4, 49993120), (5, 39994496), (8, 24996560), (10, 19997248), (16, 12498280), (20, 9998624), (32, 6249140), (40, 4999312), (64, 3124570), (80, 2499656), (128, 1562285), (160, 1249828), (167, 1197440), (320, 624914), (334, 598720), (640, 312457), (668, 299360), (835, 239488), (1336, 149680), (1670, 119744), (1871, 106880), (2672, 74840), (3340, 59872), (3742, 53440), (5344, 37420), (6680, 29936), (7484, 26720), (9355, 21376), (10688, 18710), (13360, 14968)]