250468120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 670602240

約数和(自身を除く): 420134120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 71, 86, 140, 142, 172, 215, 280, 284, 293, 301, 344, 355, 430, 497, 568, 586, 602, 710, 860, 994, 1172, 1204, 1420, 1465, 1505, 1720, 1988, 2051, 2344, 2408, 2485, 2840, 2930, 3010, 3053, 3976, 4102, 4970, 5860, 6020, 6106, 8204, 9940, 10255, 11720, 12040, 12212, 12599, 15265, 16408, 19880, 20510, 20803, 21371, 24424, 25198, 30530, 41020, 41606, 42742, 50396, 61060, 62995, 82040, 83212, 85484, 88193, 100792, 104015, 106855, 122120, 125990, 145621, 166424, 170968, 176386, 208030, 213710, 251980, 291242, 352772, 416060, 427420, 440965, 503960, 582484, 705544, 728105, 832120, 854840, 881930, 894529, 1164968, 1456210, 1763860, 1789058, 2912420, 3527720, 3578116, 4472645, 5824840, 6261703, 7156232, 8945290, 12523406, 17890580, 25046812, 31308515, 35781160, 50093624, 62617030, 125234060, 250468120]

約数ペア:

[(1, 250468120), (2, 125234060), (4, 62617030), (5, 50093624), (7, 35781160), (8, 31308515), (10, 25046812), (14, 17890580), (20, 12523406), (28, 8945290), (35, 7156232), (40, 6261703), (43, 5824840), (56, 4472645), (70, 3578116), (71, 3527720), (86, 2912420), (140, 1789058), (142, 1763860), (172, 1456210), (215, 1164968), (280, 894529), (284, 881930), (293, 854840), (301, 832120), (344, 728105), (355, 705544), (430, 582484), (497, 503960), (568, 440965), (586, 427420), (602, 416060), (710, 352772), (860, 291242), (994, 251980), (1172, 213710), (1204, 208030), (1420, 176386), (1465, 170968), (1505, 166424), (1720, 145621), (1988, 125990), (2051, 122120), (2344, 106855), (2408, 104015), (2485, 100792), (2840, 88193), (2930, 85484), (3010, 83212), (3053, 82040), (3976, 62995), (4102, 61060), (4970, 50396), (5860, 42742), (6020, 41606), (6106, 41020), (8204, 30530), (9940, 25198), (10255, 24424), (11720, 21371), (12040, 20803), (12212, 20510), (12599, 19880), (15265, 16408)]