39281930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 79315200

約数和(自身を除く): 40033270

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 89, 95, 101, 115, 178, 190, 202, 230, 437, 445, 505, 874, 890, 1010, 1691, 1919, 2047, 2185, 2323, 3382, 3838, 4094, 4370, 4646, 8455, 8989, 9595, 10235, 11615, 16910, 17978, 19190, 20470, 23230, 38893, 44137, 44945, 77786, 88274, 89890, 170791, 194465, 206747, 220685, 341582, 388930, 413494, 441370, 853955, 1033735, 1707910, 2067470, 3928193, 7856386, 19640965, 39281930]

約数ペア:

[(1, 39281930), (2, 19640965), (5, 7856386), (10, 3928193), (19, 2067470), (23, 1707910), (38, 1033735), (46, 853955), (89, 441370), (95, 413494), (101, 388930), (115, 341582), (178, 220685), (190, 206747), (202, 194465), (230, 170791), (437, 89890), (445, 88274), (505, 77786), (874, 44945), (890, 44137), (1010, 38893), (1691, 23230), (1919, 20470), (2047, 19190), (2185, 17978), (2323, 16910), (3382, 11615), (3838, 10235), (4094, 9595), (4370, 8989), (4646, 8455)]