199916632

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 410256000

約数和(自身を除く): 210339368

約数列:

[1, 2, 4, 8, 19, 38, 43, 73, 76, 86, 146, 152, 172, 292, 344, 419, 584, 817, 838, 1387, 1634, 1676, 2774, 3139, 3268, 3352, 5548, 6278, 6536, 7961, 11096, 12556, 15922, 18017, 25112, 30587, 31844, 36034, 59641, 61174, 63688, 72068, 119282, 122348, 144136, 238564, 244696, 342323, 477128, 581153, 684646, 1162306, 1315241, 1369292, 2324612, 2630482, 2738584, 4649224, 5260964, 10521928, 24989579, 49979158, 99958316, 199916632]

約数ペア:

[(1, 199916632), (2, 99958316), (4, 49979158), (8, 24989579), (19, 10521928), (38, 5260964), (43, 4649224), (73, 2738584), (76, 2630482), (86, 2324612), (146, 1369292), (152, 1315241), (172, 1162306), (292, 684646), (344, 581153), (419, 477128), (584, 342323), (817, 244696), (838, 238564), (1387, 144136), (1634, 122348), (1676, 119282), (2774, 72068), (3139, 63688), (3268, 61174), (3352, 59641), (5548, 36034), (6278, 31844), (6536, 30587), (7961, 25112), (11096, 18017), (12556, 15922)]