2887960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 7153920

約数和(自身を除く): 4265960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 137, 155, 170, 248, 274, 310, 340, 527, 548, 620, 680, 685, 1054, 1096, 1240, 1370, 2108, 2329, 2635, 2740, 4216, 4247, 4658, 5270, 5480, 8494, 9316, 10540, 11645, 16988, 18632, 21080, 21235, 23290, 33976, 42470, 46580, 72199, 84940, 93160, 144398, 169880, 288796, 360995, 577592, 721990, 1443980, 2887960]

約数ペア:

[(1, 2887960), (2, 1443980), (4, 721990), (5, 577592), (8, 360995), (10, 288796), (17, 169880), (20, 144398), (31, 93160), (34, 84940), (40, 72199), (62, 46580), (68, 42470), (85, 33976), (124, 23290), (136, 21235), (137, 21080), (155, 18632), (170, 16988), (248, 11645), (274, 10540), (310, 9316), (340, 8494), (527, 5480), (548, 5270), (620, 4658), (680, 4247), (685, 4216), (1054, 2740), (1096, 2635), (1240, 2329), (1370, 2108)]