28080010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 61212672

約数和(自身を除く): 33132662

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 107, 115, 161, 163, 214, 230, 322, 326, 535, 749, 805, 815, 1070, 1141, 1498, 1610, 1630, 2282, 2461, 3745, 3749, 4922, 5705, 7490, 7498, 11410, 12305, 17227, 17441, 18745, 24610, 26243, 34454, 34882, 37490, 52486, 86135, 87205, 122087, 131215, 172270, 174410, 244174, 262430, 401143, 610435, 802286, 1220870, 2005715, 2808001, 4011430, 5616002, 14040005, 28080010]

約数ペア:

[(1, 28080010), (2, 14040005), (5, 5616002), (7, 4011430), (10, 2808001), (14, 2005715), (23, 1220870), (35, 802286), (46, 610435), (70, 401143), (107, 262430), (115, 244174), (161, 174410), (163, 172270), (214, 131215), (230, 122087), (322, 87205), (326, 86135), (535, 52486), (749, 37490), (805, 34882), (815, 34454), (1070, 26243), (1141, 24610), (1498, 18745), (1610, 17441), (1630, 17227), (2282, 12305), (2461, 11410), (3745, 7498), (3749, 7490), (4922, 5705)]