678222710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1987}}^1$

素因数の和:2141

約数の個数: 64

約数和(自身を含む): 1391281920

約数和(自身を除く): 713059210

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 107, 110, 145, 214, 290, 319, 535, 638, 1070, 1177, 1595, 1987, 2354, 3103, 3190, 3974, 5885, 6206, 9935, 11770, 15515, 19870, 21857, 31030, 34133, 43714, 57623, 68266, 109285, 115246, 170665, 212609, 218570, 288115, 341330, 425218, 576230, 633853, 1063045, 1267706, 2126090, 2338699, 3169265, 4677398, 6165661, 6338530, 11693495, 12331322, 23386990, 30828305, 61656610, 67822271, 135644542, 339111355, 678222710]

約数ペア:

[(1, 678222710), (2, 339111355), (5, 135644542), (10, 67822271), (11, 61656610), (22, 30828305), (29, 23386990), (55, 12331322), (58, 11693495), (107, 6338530), (110, 6165661), (145, 4677398), (214, 3169265), (290, 2338699), (319, 2126090), (535, 1267706), (638, 1063045), (1070, 633853), (1177, 576230), (1595, 425218), (1987, 341330), (2354, 288115), (3103, 218570), (3190, 212609), (3974, 170665), (5885, 115246), (6206, 109285), (9935, 68266), (11770, 57623), (15515, 43714), (19870, 34133), (21857, 31030)]