256001200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{541}}^1$

素因数の和:592

約数の個数: 180

約数和(自身を含む): 762541968

約数和(自身を除く): 506540768

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 169, 175, 182, 200, 208, 260, 280, 325, 338, 350, 364, 400, 455, 520, 541, 560, 650, 676, 700, 728, 845, 910, 1040, 1082, 1183, 1300, 1352, 1400, 1456, 1690, 1820, 2164, 2275, 2366, 2600, 2704, 2705, 2800, 3380, 3640, 3787, 4225, 4328, 4550, 4732, 5200, 5410, 5915, 6760, 7033, 7280, 7574, 8450, 8656, 9100, 9464, 10820, 11830, 13520, 13525, 14066, 15148, 16900, 18200, 18928, 18935, 21640, 23660, 27050, 28132, 29575, 30296, 33800, 35165, 36400, 37870, 43280, 47320, 49231, 54100, 56264, 59150, 60592, 67600, 70330, 75740, 91429, 94640, 94675, 98462, 108200, 112528, 118300, 140660, 151480, 175825, 182858, 189350, 196924, 216400, 236600, 246155, 281320, 302960, 351650, 365716, 378700, 393848, 457145, 473200, 492310, 562640, 640003, 703300, 731432, 757400, 787696, 914290, 984620, 1230775, 1280006, 1406600, 1462864, 1514800, 1828580, 1969240, 2285725, 2461550, 2560012, 2813200, 3200015, 3657160, 3938480, 4571450, 4923100, 5120024, 6400030, 7314320, 9142900, 9846200, 10240048, 12800060, 16000075, 18285800, 19692400, 25600120, 32000150, 36571600, 51200240, 64000300, 128000600, 256001200]

約数ペア:

[(1, 256001200), (2, 128000600), (4, 64000300), (5, 51200240), (7, 36571600), (8, 32000150), (10, 25600120), (13, 19692400), (14, 18285800), (16, 16000075), (20, 12800060), (25, 10240048), (26, 9846200), (28, 9142900), (35, 7314320), (40, 6400030), (50, 5120024), (52, 4923100), (56, 4571450), (65, 3938480), (70, 3657160), (80, 3200015), (91, 2813200), (100, 2560012), (104, 2461550), (112, 2285725), (130, 1969240), (140, 1828580), (169, 1514800), (175, 1462864), (182, 1406600), (200, 1280006), (208, 1230775), (260, 984620), (280, 914290), (325, 787696), (338, 757400), (350, 731432), (364, 703300), (400, 640003), (455, 562640), (520, 492310), (541, 473200), (560, 457145), (650, 393848), (676, 378700), (700, 365716), (728, 351650), (845, 302960), (910, 281320), (1040, 246155), (1082, 236600), (1183, 216400), (1300, 196924), (1352, 189350), (1400, 182858), (1456, 175825), (1690, 151480), (1820, 140660), (2164, 118300), (2275, 112528), (2366, 108200), (2600, 98462), (2704, 94675), (2705, 94640), (2800, 91429), (3380, 75740), (3640, 70330), (3787, 67600), (4225, 60592), (4328, 59150), (4550, 56264), (4732, 54100), (5200, 49231), (5410, 47320), (5915, 43280), (6760, 37870), (7033, 36400), (7280, 35165), (7574, 33800), (8450, 30296), (8656, 29575), (9100, 28132), (9464, 27050), (10820, 23660), (11830, 21640), (13520, 18935), (13525, 18928), (14066, 18200), (15148, 16900)]