17157880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 40538880

約数和(自身を除く): 23381000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 137, 155, 202, 248, 274, 310, 404, 505, 548, 620, 685, 808, 1010, 1096, 1240, 1370, 2020, 2740, 3131, 4040, 4247, 5480, 6262, 8494, 12524, 13837, 15655, 16988, 21235, 25048, 27674, 31310, 33976, 42470, 55348, 62620, 69185, 84940, 110696, 125240, 138370, 169880, 276740, 428947, 553480, 857894, 1715788, 2144735, 3431576, 4289470, 8578940, 17157880]

約数ペア:

[(1, 17157880), (2, 8578940), (4, 4289470), (5, 3431576), (8, 2144735), (10, 1715788), (20, 857894), (31, 553480), (40, 428947), (62, 276740), (101, 169880), (124, 138370), (137, 125240), (155, 110696), (202, 84940), (248, 69185), (274, 62620), (310, 55348), (404, 42470), (505, 33976), (548, 31310), (620, 27674), (685, 25048), (808, 21235), (1010, 16988), (1096, 15655), (1240, 13837), (1370, 12524), (2020, 8494), (2740, 6262), (3131, 5480), (4040, 4247)]