207187840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 532072800

約数和(自身を除く): 324884960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 137, 139, 160, 170, 272, 274, 278, 320, 340, 544, 548, 556, 640, 680, 685, 695, 1088, 1096, 1112, 1360, 1370, 1390, 2176, 2192, 2224, 2329, 2363, 2720, 2740, 2780, 4384, 4448, 4658, 4726, 5440, 5480, 5560, 8768, 8896, 9316, 9452, 10880, 10960, 11120, 11645, 11815, 17536, 17792, 18632, 18904, 19043, 21920, 22240, 23290, 23630, 37264, 37808, 38086, 43840, 44480, 46580, 47260, 74528, 75616, 76172, 87680, 88960, 93160, 94520, 95215, 149056, 151232, 152344, 186320, 189040, 190430, 298112, 302464, 304688, 323731, 372640, 378080, 380860, 609376, 647462, 745280, 756160, 761720, 1218752, 1294924, 1490560, 1512320, 1523440, 1618655, 2437504, 2589848, 3046880, 3237310, 5179696, 6093760, 6474620, 10359392, 12187520, 12949240, 20718784, 25898480, 41437568, 51796960, 103593920, 207187840]

約数ペア:

[(1, 207187840), (2, 103593920), (4, 51796960), (5, 41437568), (8, 25898480), (10, 20718784), (16, 12949240), (17, 12187520), (20, 10359392), (32, 6474620), (34, 6093760), (40, 5179696), (64, 3237310), (68, 3046880), (80, 2589848), (85, 2437504), (128, 1618655), (136, 1523440), (137, 1512320), (139, 1490560), (160, 1294924), (170, 1218752), (272, 761720), (274, 756160), (278, 745280), (320, 647462), (340, 609376), (544, 380860), (548, 378080), (556, 372640), (640, 323731), (680, 304688), (685, 302464), (695, 298112), (1088, 190430), (1096, 189040), (1112, 186320), (1360, 152344), (1370, 151232), (1390, 149056), (2176, 95215), (2192, 94520), (2224, 93160), (2329, 88960), (2363, 87680), (2720, 76172), (2740, 75616), (2780, 74528), (4384, 47260), (4448, 46580), (4658, 44480), (4726, 43840), (5440, 38086), (5480, 37808), (5560, 37264), (8768, 23630), (8896, 23290), (9316, 22240), (9452, 21920), (10880, 19043), (10960, 18904), (11120, 18632), (11645, 17792), (11815, 17536)]