261406600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:360

約数の個数: 192

約数和(自身を含む): 764951040

約数和(自身を除く): 503544440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 53, 56, 65, 70, 91, 100, 104, 106, 130, 140, 175, 182, 200, 212, 260, 265, 271, 280, 325, 350, 364, 371, 424, 455, 520, 530, 542, 650, 689, 700, 728, 742, 910, 1060, 1084, 1300, 1325, 1355, 1378, 1400, 1484, 1820, 1855, 1897, 2120, 2168, 2275, 2600, 2650, 2710, 2756, 2968, 3445, 3523, 3640, 3710, 3794, 4550, 4823, 5300, 5420, 5512, 6775, 6890, 7046, 7420, 7588, 9100, 9275, 9485, 9646, 10600, 10840, 13550, 13780, 14092, 14363, 14840, 15176, 17225, 17615, 18200, 18550, 18970, 19292, 24115, 24661, 27100, 27560, 28184, 28726, 34450, 35230, 37100, 37940, 38584, 47425, 48230, 49322, 54200, 57452, 68900, 70460, 71815, 74200, 75880, 88075, 94850, 96460, 98644, 100541, 114904, 120575, 123305, 137800, 140920, 143630, 176150, 186719, 189700, 192920, 197288, 201082, 241150, 246610, 287260, 352300, 359075, 373438, 379400, 402164, 482300, 493220, 502705, 574520, 616525, 704600, 718150, 746876, 804328, 933595, 964600, 986440, 1005410, 1233050, 1307033, 1436300, 1493752, 1867190, 2010820, 2466100, 2513525, 2614066, 2872600, 3734380, 4021640, 4667975, 4932200, 5027050, 5228132, 6535165, 7468760, 9335950, 10054100, 10456264, 13070330, 18671900, 20108200, 26140660, 32675825, 37343800, 52281320, 65351650, 130703300, 261406600]

約数ペア:

[(1, 261406600), (2, 130703300), (4, 65351650), (5, 52281320), (7, 37343800), (8, 32675825), (10, 26140660), (13, 20108200), (14, 18671900), (20, 13070330), (25, 10456264), (26, 10054100), (28, 9335950), (35, 7468760), (40, 6535165), (50, 5228132), (52, 5027050), (53, 4932200), (56, 4667975), (65, 4021640), (70, 3734380), (91, 2872600), (100, 2614066), (104, 2513525), (106, 2466100), (130, 2010820), (140, 1867190), (175, 1493752), (182, 1436300), (200, 1307033), (212, 1233050), (260, 1005410), (265, 986440), (271, 964600), (280, 933595), (325, 804328), (350, 746876), (364, 718150), (371, 704600), (424, 616525), (455, 574520), (520, 502705), (530, 493220), (542, 482300), (650, 402164), (689, 379400), (700, 373438), (728, 359075), (742, 352300), (910, 287260), (1060, 246610), (1084, 241150), (1300, 201082), (1325, 197288), (1355, 192920), (1378, 189700), (1400, 186719), (1484, 176150), (1820, 143630), (1855, 140920), (1897, 137800), (2120, 123305), (2168, 120575), (2275, 114904), (2600, 100541), (2650, 98644), (2710, 96460), (2756, 94850), (2968, 88075), (3445, 75880), (3523, 74200), (3640, 71815), (3710, 70460), (3794, 68900), (4550, 57452), (4823, 54200), (5300, 49322), (5420, 48230), (5512, 47425), (6775, 38584), (6890, 37940), (7046, 37100), (7420, 35230), (7588, 34450), (9100, 28726), (9275, 28184), (9485, 27560), (9646, 27100), (10600, 24661), (10840, 24115), (13550, 19292), (13780, 18970), (14092, 18550), (14363, 18200), (14840, 17615), (15176, 17225)]