211344770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{857}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 470486016

約数和(自身を除く): 259141246

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 271, 455, 542, 857, 910, 1355, 1714, 1897, 2710, 3523, 3794, 4285, 5999, 7046, 8570, 9485, 11141, 11998, 17615, 18970, 22282, 24661, 29995, 35230, 49322, 55705, 59990, 77987, 111410, 123305, 155974, 232247, 246610, 389935, 464494, 779870, 1161235, 1625729, 2322470, 3019211, 3251458, 6038422, 8128645, 15096055, 16257290, 21134477, 30192110, 42268954, 105672385, 211344770]

約数ペア:

[(1, 211344770), (2, 105672385), (5, 42268954), (7, 30192110), (10, 21134477), (13, 16257290), (14, 15096055), (26, 8128645), (35, 6038422), (65, 3251458), (70, 3019211), (91, 2322470), (130, 1625729), (182, 1161235), (271, 779870), (455, 464494), (542, 389935), (857, 246610), (910, 232247), (1355, 155974), (1714, 123305), (1897, 111410), (2710, 77987), (3523, 59990), (3794, 55705), (4285, 49322), (5999, 35230), (7046, 29995), (8570, 24661), (9485, 22282), (11141, 18970), (11998, 17615)]