210003990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21277}}^1$

素因数の和:21341

約数の個数: 64

約数和(自身を含む): 588294144

約数和(自身を除く): 378290154

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 3290, 4935, 9870, 21277, 42554, 63831, 106385, 127662, 148939, 212770, 297878, 319155, 446817, 638310, 744695, 893634, 1000019, 1489390, 2000038, 2234085, 3000057, 4468170, 5000095, 6000114, 7000133, 10000190, 14000266, 15000285, 21000399, 30000570, 35000665, 42000798, 70001330, 105001995, 210003990]

約数ペア:

[(1, 210003990), (2, 105001995), (3, 70001330), (5, 42000798), (6, 35000665), (7, 30000570), (10, 21000399), (14, 15000285), (15, 14000266), (21, 10000190), (30, 7000133), (35, 6000114), (42, 5000095), (47, 4468170), (70, 3000057), (94, 2234085), (105, 2000038), (141, 1489390), (210, 1000019), (235, 893634), (282, 744695), (329, 638310), (470, 446817), (658, 319155), (705, 297878), (987, 212770), (1410, 148939), (1645, 127662), (1974, 106385), (3290, 63831), (4935, 42554), (9870, 21277)]