978171280

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{541}}^1$

素因数の和:884

約数の個数: 80

約数和(自身を含む): 2311820784

約数和(自身を除く): 1333649504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 233, 388, 466, 485, 541, 776, 932, 970, 1082, 1165, 1552, 1864, 1940, 2164, 2330, 2705, 3728, 3880, 4328, 4660, 5410, 7760, 8656, 9320, 10820, 18640, 21640, 22601, 43280, 45202, 52477, 90404, 104954, 113005, 126053, 180808, 209908, 226010, 252106, 262385, 361616, 419816, 452020, 504212, 524770, 630265, 839632, 904040, 1008424, 1049540, 1260530, 1808080, 2016848, 2099080, 2521060, 4198160, 5042120, 10084240, 12227141, 24454282, 48908564, 61135705, 97817128, 122271410, 195634256, 244542820, 489085640, 978171280]

約数ペア:

[(1, 978171280), (2, 489085640), (4, 244542820), (5, 195634256), (8, 122271410), (10, 97817128), (16, 61135705), (20, 48908564), (40, 24454282), (80, 12227141), (97, 10084240), (194, 5042120), (233, 4198160), (388, 2521060), (466, 2099080), (485, 2016848), (541, 1808080), (776, 1260530), (932, 1049540), (970, 1008424), (1082, 904040), (1165, 839632), (1552, 630265), (1864, 524770), (1940, 504212), (2164, 452020), (2330, 419816), (2705, 361616), (3728, 262385), (3880, 252106), (4328, 226010), (4660, 209908), (5410, 180808), (7760, 126053), (8656, 113005), (9320, 104954), (10820, 90404), (18640, 52477), (21640, 45202), (22601, 43280)]