208958960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:559

約数の個数: 160

約数和(自身を含む): 599961600

約数和(自身を除く): 391002640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 80, 82, 95, 112, 133, 140, 152, 164, 190, 205, 266, 280, 287, 304, 328, 380, 410, 479, 532, 560, 574, 656, 665, 760, 779, 820, 958, 1064, 1148, 1330, 1435, 1520, 1558, 1640, 1916, 2128, 2296, 2395, 2660, 2870, 3116, 3280, 3353, 3832, 3895, 4592, 4790, 5320, 5453, 5740, 6232, 6706, 7664, 7790, 9101, 9580, 10640, 10906, 11480, 12464, 13412, 15580, 16765, 18202, 19160, 19639, 21812, 22960, 26824, 27265, 31160, 33530, 36404, 38320, 39278, 43624, 45505, 53648, 54530, 62320, 63707, 67060, 72808, 78556, 87248, 91010, 98195, 109060, 127414, 134120, 137473, 145616, 157112, 182020, 196390, 218120, 254828, 268240, 274946, 314224, 318535, 364040, 373141, 392780, 436240, 509656, 549892, 637070, 687365, 728080, 746282, 785560, 1019312, 1099784, 1274140, 1374730, 1492564, 1571120, 1865705, 2199568, 2548280, 2611987, 2749460, 2985128, 3731410, 5096560, 5223974, 5498920, 5970256, 7462820, 10447948, 10997840, 13059935, 14925640, 20895896, 26119870, 29851280, 41791792, 52239740, 104479480, 208958960]

約数ペア:

[(1, 208958960), (2, 104479480), (4, 52239740), (5, 41791792), (7, 29851280), (8, 26119870), (10, 20895896), (14, 14925640), (16, 13059935), (19, 10997840), (20, 10447948), (28, 7462820), (35, 5970256), (38, 5498920), (40, 5223974), (41, 5096560), (56, 3731410), (70, 2985128), (76, 2749460), (80, 2611987), (82, 2548280), (95, 2199568), (112, 1865705), (133, 1571120), (140, 1492564), (152, 1374730), (164, 1274140), (190, 1099784), (205, 1019312), (266, 785560), (280, 746282), (287, 728080), (304, 687365), (328, 637070), (380, 549892), (410, 509656), (479, 436240), (532, 392780), (560, 373141), (574, 364040), (656, 318535), (665, 314224), (760, 274946), (779, 268240), (820, 254828), (958, 218120), (1064, 196390), (1148, 182020), (1330, 157112), (1435, 145616), (1520, 137473), (1558, 134120), (1640, 127414), (1916, 109060), (2128, 98195), (2296, 91010), (2395, 87248), (2660, 78556), (2870, 72808), (3116, 67060), (3280, 63707), (3353, 62320), (3832, 54530), (3895, 53648), (4592, 45505), (4790, 43624), (5320, 39278), (5453, 38320), (5740, 36404), (6232, 33530), (6706, 31160), (7664, 27265), (7790, 26824), (9101, 22960), (9580, 21812), (10640, 19639), (10906, 19160), (11480, 18202), (12464, 16765), (13412, 15580)]