199491520

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{3733}}^1$

素因数の和:3917

約数の個数: 56

約数和(自身を含む): 478011744

約数和(自身を除く): 278520224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 668, 835, 1336, 1670, 2672, 3340, 3733, 5344, 6680, 7466, 10688, 13360, 14932, 18665, 26720, 29864, 37330, 53440, 59728, 74660, 119456, 149320, 238912, 298640, 597280, 623411, 1194560, 1246822, 2493644, 3117055, 4987288, 6234110, 9974576, 12468220, 19949152, 24936440, 39898304, 49872880, 99745760, 199491520]

約数ペア:

[(1, 199491520), (2, 99745760), (4, 49872880), (5, 39898304), (8, 24936440), (10, 19949152), (16, 12468220), (20, 9974576), (32, 6234110), (40, 4987288), (64, 3117055), (80, 2493644), (160, 1246822), (167, 1194560), (320, 623411), (334, 597280), (668, 298640), (835, 238912), (1336, 149320), (1670, 119456), (2672, 74660), (3340, 59728), (3733, 53440), (5344, 37330), (6680, 29864), (7466, 26720), (10688, 18665), (13360, 14932)]