139643840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2066

約数の個数: 112

約数和(自身を含む): 392484864

約数和(自身を除く): 252841024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2011, 2170, 2240, 2480, 3472, 4022, 4340, 4960, 6944, 8044, 8680, 9920, 10055, 13888, 14077, 16088, 17360, 20110, 28154, 32176, 34720, 40220, 56308, 62341, 64352, 69440, 70385, 80440, 112616, 124682, 128704, 140770, 160880, 225232, 249364, 281540, 311705, 321760, 436387, 450464, 498728, 563080, 623410, 643520, 872774, 900928, 997456, 1126160, 1246820, 1745548, 1994912, 2181935, 2252320, 2493640, 3491096, 3989824, 4363870, 4504640, 4987280, 6982192, 8727740, 9974560, 13964384, 17455480, 19949120, 27928768, 34910960, 69821920, 139643840]

約数ペア:

[(1, 139643840), (2, 69821920), (4, 34910960), (5, 27928768), (7, 19949120), (8, 17455480), (10, 13964384), (14, 9974560), (16, 8727740), (20, 6982192), (28, 4987280), (31, 4504640), (32, 4363870), (35, 3989824), (40, 3491096), (56, 2493640), (62, 2252320), (64, 2181935), (70, 1994912), (80, 1745548), (112, 1246820), (124, 1126160), (140, 997456), (155, 900928), (160, 872774), (217, 643520), (224, 623410), (248, 563080), (280, 498728), (310, 450464), (320, 436387), (434, 321760), (448, 311705), (496, 281540), (560, 249364), (620, 225232), (868, 160880), (992, 140770), (1085, 128704), (1120, 124682), (1240, 112616), (1736, 80440), (1984, 70385), (2011, 69440), (2170, 64352), (2240, 62341), (2480, 56308), (3472, 40220), (4022, 34720), (4340, 32176), (4960, 28154), (6944, 20110), (8044, 17360), (8680, 16088), (9920, 14077), (10055, 13888)]