208522720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 192

約数和(自身を含む): 609638400

約数和(自身を除く): 401115680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 41, 56, 70, 76, 80, 82, 95, 112, 133, 140, 152, 160, 164, 190, 205, 224, 239, 266, 280, 287, 304, 328, 380, 410, 478, 532, 560, 574, 608, 656, 665, 760, 779, 820, 956, 1064, 1120, 1148, 1195, 1312, 1330, 1435, 1520, 1558, 1640, 1673, 1912, 2128, 2296, 2390, 2660, 2870, 3040, 3116, 3280, 3346, 3824, 3895, 4256, 4541, 4592, 4780, 5320, 5453, 5740, 6232, 6560, 6692, 7648, 7790, 8365, 9082, 9184, 9560, 9799, 10640, 10906, 11480, 12464, 13384, 15580, 16730, 18164, 19120, 19598, 21280, 21812, 22705, 22960, 24928, 26768, 27265, 31160, 31787, 33460, 36328, 38240, 39196, 43624, 45410, 45920, 48995, 53536, 54530, 62320, 63574, 66920, 68593, 72656, 78392, 87248, 90820, 97990, 109060, 124640, 127148, 133840, 137186, 145312, 156784, 158935, 174496, 181640, 186181, 195980, 218120, 254296, 267680, 274372, 313568, 317870, 342965, 363280, 372362, 391960, 436240, 508592, 548744, 635740, 685930, 726560, 744724, 783920, 872480, 930905, 1017184, 1097488, 1271480, 1303267, 1371860, 1489448, 1567840, 1861810, 2194976, 2542960, 2606534, 2743720, 2978896, 3723620, 5085920, 5213068, 5487440, 5957792, 6516335, 7447240, 10426136, 10974880, 13032670, 14894480, 20852272, 26065340, 29788960, 41704544, 52130680, 104261360, 208522720]

約数ペア:

[(1, 208522720), (2, 104261360), (4, 52130680), (5, 41704544), (7, 29788960), (8, 26065340), (10, 20852272), (14, 14894480), (16, 13032670), (19, 10974880), (20, 10426136), (28, 7447240), (32, 6516335), (35, 5957792), (38, 5487440), (40, 5213068), (41, 5085920), (56, 3723620), (70, 2978896), (76, 2743720), (80, 2606534), (82, 2542960), (95, 2194976), (112, 1861810), (133, 1567840), (140, 1489448), (152, 1371860), (160, 1303267), (164, 1271480), (190, 1097488), (205, 1017184), (224, 930905), (239, 872480), (266, 783920), (280, 744724), (287, 726560), (304, 685930), (328, 635740), (380, 548744), (410, 508592), (478, 436240), (532, 391960), (560, 372362), (574, 363280), (608, 342965), (656, 317870), (665, 313568), (760, 274372), (779, 267680), (820, 254296), (956, 218120), (1064, 195980), (1120, 186181), (1148, 181640), (1195, 174496), (1312, 158935), (1330, 156784), (1435, 145312), (1520, 137186), (1558, 133840), (1640, 127148), (1673, 124640), (1912, 109060), (2128, 97990), (2296, 90820), (2390, 87248), (2660, 78392), (2870, 72656), (3040, 68593), (3116, 66920), (3280, 63574), (3346, 62320), (3824, 54530), (3895, 53536), (4256, 48995), (4541, 45920), (4592, 45410), (4780, 43624), (5320, 39196), (5453, 38240), (5740, 36328), (6232, 33460), (6560, 31787), (6692, 31160), (7648, 27265), (7790, 26768), (8365, 24928), (9082, 22960), (9184, 22705), (9560, 21812), (9799, 21280), (10640, 19598), (10906, 19120), (11480, 18164), (12464, 16730), (13384, 15580)]