253297520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 703431168

約数和(自身を除く): 450133648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 67, 70, 80, 86, 112, 134, 140, 157, 172, 215, 268, 280, 301, 314, 335, 344, 430, 469, 536, 560, 602, 628, 670, 688, 785, 860, 938, 1072, 1099, 1204, 1256, 1340, 1505, 1570, 1720, 1876, 2198, 2345, 2408, 2512, 2680, 2881, 3010, 3140, 3440, 3752, 4396, 4690, 4816, 5360, 5495, 5762, 6020, 6280, 6751, 7504, 8792, 9380, 10519, 10990, 11524, 12040, 12560, 13502, 14405, 17584, 18760, 20167, 21038, 21980, 23048, 24080, 27004, 28810, 33755, 37520, 40334, 42076, 43960, 46096, 47257, 52595, 54008, 57620, 67510, 73633, 80668, 84152, 87920, 94514, 100835, 105190, 108016, 115240, 135020, 147266, 161336, 168304, 189028, 201670, 210380, 230480, 236285, 270040, 294532, 322672, 368165, 378056, 403340, 420760, 452317, 472570, 540080, 589064, 736330, 756112, 806680, 841520, 904634, 945140, 1178128, 1472660, 1613360, 1809268, 1890280, 2261585, 2945320, 3166219, 3618536, 3780560, 4523170, 5890640, 6332438, 7237072, 9046340, 12664876, 15831095, 18092680, 25329752, 31662190, 36185360, 50659504, 63324380, 126648760, 253297520]

約数ペア:

[(1, 253297520), (2, 126648760), (4, 63324380), (5, 50659504), (7, 36185360), (8, 31662190), (10, 25329752), (14, 18092680), (16, 15831095), (20, 12664876), (28, 9046340), (35, 7237072), (40, 6332438), (43, 5890640), (56, 4523170), (67, 3780560), (70, 3618536), (80, 3166219), (86, 2945320), (112, 2261585), (134, 1890280), (140, 1809268), (157, 1613360), (172, 1472660), (215, 1178128), (268, 945140), (280, 904634), (301, 841520), (314, 806680), (335, 756112), (344, 736330), (430, 589064), (469, 540080), (536, 472570), (560, 452317), (602, 420760), (628, 403340), (670, 378056), (688, 368165), (785, 322672), (860, 294532), (938, 270040), (1072, 236285), (1099, 230480), (1204, 210380), (1256, 201670), (1340, 189028), (1505, 168304), (1570, 161336), (1720, 147266), (1876, 135020), (2198, 115240), (2345, 108016), (2408, 105190), (2512, 100835), (2680, 94514), (2881, 87920), (3010, 84152), (3140, 80668), (3440, 73633), (3752, 67510), (4396, 57620), (4690, 54008), (4816, 52595), (5360, 47257), (5495, 46096), (5762, 43960), (6020, 42076), (6280, 40334), (6751, 37520), (7504, 33755), (8792, 28810), (9380, 27004), (10519, 24080), (10990, 23048), (11524, 21980), (12040, 21038), (12560, 20167), (13502, 18760), (14405, 17584)]