399973280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3001}}^1$

素因数の和:3047

約数の個数: 144

約数和(自身を含む): 1164259656

約数和(自身を除く): 764286376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 340, 392, 476, 490, 544, 560, 595, 680, 784, 833, 952, 980, 1120, 1190, 1360, 1568, 1666, 1904, 1960, 2380, 2720, 3001, 3332, 3808, 3920, 4165, 4760, 6002, 6664, 7840, 8330, 9520, 12004, 13328, 15005, 16660, 19040, 21007, 24008, 26656, 30010, 33320, 42014, 48016, 51017, 60020, 66640, 84028, 96032, 102034, 105035, 120040, 133280, 147049, 168056, 204068, 210070, 240080, 255085, 294098, 336112, 357119, 408136, 420140, 480160, 510170, 588196, 672224, 714238, 735245, 816272, 840280, 1020340, 1176392, 1428476, 1470490, 1632544, 1680560, 1785595, 2040680, 2352784, 2499833, 2856952, 2940980, 3361120, 3571190, 4081360, 4705568, 4999666, 5713904, 5881960, 7142380, 8162720, 9999332, 11427808, 11763920, 12499165, 14284760, 19998664, 23527840, 24998330, 28569520, 39997328, 49996660, 57139040, 79994656, 99993320, 199986640, 399973280]

約数ペア:

[(1, 399973280), (2, 199986640), (4, 99993320), (5, 79994656), (7, 57139040), (8, 49996660), (10, 39997328), (14, 28569520), (16, 24998330), (17, 23527840), (20, 19998664), (28, 14284760), (32, 12499165), (34, 11763920), (35, 11427808), (40, 9999332), (49, 8162720), (56, 7142380), (68, 5881960), (70, 5713904), (80, 4999666), (85, 4705568), (98, 4081360), (112, 3571190), (119, 3361120), (136, 2940980), (140, 2856952), (160, 2499833), (170, 2352784), (196, 2040680), (224, 1785595), (238, 1680560), (245, 1632544), (272, 1470490), (280, 1428476), (340, 1176392), (392, 1020340), (476, 840280), (490, 816272), (544, 735245), (560, 714238), (595, 672224), (680, 588196), (784, 510170), (833, 480160), (952, 420140), (980, 408136), (1120, 357119), (1190, 336112), (1360, 294098), (1568, 255085), (1666, 240080), (1904, 210070), (1960, 204068), (2380, 168056), (2720, 147049), (3001, 133280), (3332, 120040), (3808, 105035), (3920, 102034), (4165, 96032), (4760, 84028), (6002, 66640), (6664, 60020), (7840, 51017), (8330, 48016), (9520, 42014), (12004, 33320), (13328, 30010), (15005, 26656), (16660, 24008), (19040, 21007)]