209096720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1369

約数の個数: 120

約数和(自身を含む): 579759768

約数和(自身を除く): 370663048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 164, 196, 205, 245, 280, 287, 328, 392, 410, 490, 560, 574, 656, 784, 820, 980, 1148, 1301, 1435, 1640, 1960, 2009, 2296, 2602, 2870, 3280, 3920, 4018, 4592, 5204, 5740, 6505, 8036, 9107, 10045, 10408, 11480, 13010, 16072, 18214, 20090, 20816, 22960, 26020, 32144, 36428, 40180, 45535, 52040, 53341, 63749, 72856, 80360, 91070, 104080, 106682, 127498, 145712, 160720, 182140, 213364, 254996, 266705, 318745, 364280, 373387, 426728, 509992, 533410, 637490, 728560, 746774, 853456, 1019984, 1066820, 1274980, 1493548, 1866935, 2133640, 2549960, 2613709, 2987096, 3733870, 4267280, 5099920, 5227418, 5974192, 7467740, 10454836, 13068545, 14935480, 20909672, 26137090, 29870960, 41819344, 52274180, 104548360, 209096720]

約数ペア:

[(1, 209096720), (2, 104548360), (4, 52274180), (5, 41819344), (7, 29870960), (8, 26137090), (10, 20909672), (14, 14935480), (16, 13068545), (20, 10454836), (28, 7467740), (35, 5974192), (40, 5227418), (41, 5099920), (49, 4267280), (56, 3733870), (70, 2987096), (80, 2613709), (82, 2549960), (98, 2133640), (112, 1866935), (140, 1493548), (164, 1274980), (196, 1066820), (205, 1019984), (245, 853456), (280, 746774), (287, 728560), (328, 637490), (392, 533410), (410, 509992), (490, 426728), (560, 373387), (574, 364280), (656, 318745), (784, 266705), (820, 254996), (980, 213364), (1148, 182140), (1301, 160720), (1435, 145712), (1640, 127498), (1960, 106682), (2009, 104080), (2296, 91070), (2602, 80360), (2870, 72856), (3280, 63749), (3920, 53341), (4018, 52040), (4592, 45535), (5204, 40180), (5740, 36428), (6505, 32144), (8036, 26020), (9107, 22960), (10045, 20816), (10408, 20090), (11480, 18214), (13010, 16072)]