86687690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 174182400

約数和(自身を除く): 87494710

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 83, 95, 115, 166, 190, 230, 239, 415, 437, 478, 830, 874, 1195, 1577, 1909, 2185, 2390, 3154, 3818, 4370, 4541, 5497, 7885, 9082, 9545, 10994, 15770, 19090, 19837, 22705, 27485, 36271, 39674, 45410, 54970, 72542, 99185, 104443, 181355, 198370, 208886, 362710, 376903, 456251, 522215, 753806, 912502, 1044430, 1884515, 2281255, 3769030, 4562510, 8668769, 17337538, 43343845, 86687690]

約数ペア:

[(1, 86687690), (2, 43343845), (5, 17337538), (10, 8668769), (19, 4562510), (23, 3769030), (38, 2281255), (46, 1884515), (83, 1044430), (95, 912502), (115, 753806), (166, 522215), (190, 456251), (230, 376903), (239, 362710), (415, 208886), (437, 198370), (478, 181355), (830, 104443), (874, 99185), (1195, 72542), (1577, 54970), (1909, 45410), (2185, 39674), (2390, 36271), (3154, 27485), (3818, 22705), (4370, 19837), (4541, 19090), (5497, 15770), (7885, 10994), (9082, 9545)]