68021800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{631}}^1$

素因数の和:672

約数の個数: 144

約数和(自身を含む): 201013920

約数和(自身を除く): 132992120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 88, 98, 100, 110, 140, 154, 175, 196, 200, 220, 245, 275, 280, 308, 350, 385, 392, 440, 490, 539, 550, 616, 631, 700, 770, 980, 1078, 1100, 1225, 1262, 1400, 1540, 1925, 1960, 2156, 2200, 2450, 2524, 2695, 3080, 3155, 3850, 4312, 4417, 4900, 5048, 5390, 6310, 6941, 7700, 8834, 9800, 10780, 12620, 13475, 13882, 15400, 15775, 17668, 21560, 22085, 25240, 26950, 27764, 30919, 31550, 34705, 35336, 44170, 48587, 53900, 55528, 61838, 63100, 69410, 88340, 97174, 107800, 110425, 123676, 126200, 138820, 154595, 173525, 176680, 194348, 220850, 242935, 247352, 277640, 309190, 340109, 347050, 388696, 441700, 485870, 618380, 680218, 694100, 772975, 883400, 971740, 1214675, 1236760, 1360436, 1388200, 1545950, 1700545, 1943480, 2429350, 2720872, 3091900, 3401090, 4858700, 6183800, 6802180, 8502725, 9717400, 13604360, 17005450, 34010900, 68021800]

約数ペア:

[(1, 68021800), (2, 34010900), (4, 17005450), (5, 13604360), (7, 9717400), (8, 8502725), (10, 6802180), (11, 6183800), (14, 4858700), (20, 3401090), (22, 3091900), (25, 2720872), (28, 2429350), (35, 1943480), (40, 1700545), (44, 1545950), (49, 1388200), (50, 1360436), (55, 1236760), (56, 1214675), (70, 971740), (77, 883400), (88, 772975), (98, 694100), (100, 680218), (110, 618380), (140, 485870), (154, 441700), (175, 388696), (196, 347050), (200, 340109), (220, 309190), (245, 277640), (275, 247352), (280, 242935), (308, 220850), (350, 194348), (385, 176680), (392, 173525), (440, 154595), (490, 138820), (539, 126200), (550, 123676), (616, 110425), (631, 107800), (700, 97174), (770, 88340), (980, 69410), (1078, 63100), (1100, 61838), (1225, 55528), (1262, 53900), (1400, 48587), (1540, 44170), (1925, 35336), (1960, 34705), (2156, 31550), (2200, 30919), (2450, 27764), (2524, 26950), (2695, 25240), (3080, 22085), (3155, 21560), (3850, 17668), (4312, 15775), (4417, 15400), (4900, 13882), (5048, 13475), (5390, 12620), (6310, 10780), (6941, 9800), (7700, 8834)]