208713040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1693}}^1$

素因数の和:1796

約数の個数: 80

約数和(自身を含む): 514217088

約数和(自身を除く): 305504048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 67, 80, 92, 115, 134, 184, 230, 268, 335, 368, 460, 536, 670, 920, 1072, 1340, 1541, 1693, 1840, 2680, 3082, 3386, 5360, 6164, 6772, 7705, 8465, 12328, 13544, 15410, 16930, 24656, 27088, 30820, 33860, 38939, 61640, 67720, 77878, 113431, 123280, 135440, 155756, 194695, 226862, 311512, 389390, 453724, 567155, 623024, 778780, 907448, 1134310, 1557560, 1814896, 2268620, 2608913, 3115120, 4537240, 5217826, 9074480, 10435652, 13044565, 20871304, 26089130, 41742608, 52178260, 104356520, 208713040]

約数ペア:

[(1, 208713040), (2, 104356520), (4, 52178260), (5, 41742608), (8, 26089130), (10, 20871304), (16, 13044565), (20, 10435652), (23, 9074480), (40, 5217826), (46, 4537240), (67, 3115120), (80, 2608913), (92, 2268620), (115, 1814896), (134, 1557560), (184, 1134310), (230, 907448), (268, 778780), (335, 623024), (368, 567155), (460, 453724), (536, 389390), (670, 311512), (920, 226862), (1072, 194695), (1340, 155756), (1541, 135440), (1693, 123280), (1840, 113431), (2680, 77878), (3082, 67720), (3386, 61640), (5360, 38939), (6164, 33860), (6772, 30820), (7705, 27088), (8465, 24656), (12328, 16930), (13544, 15410)]