155978900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 431972352

約数和(自身を除く): 275993452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 47, 50, 55, 70, 77, 94, 100, 110, 140, 154, 175, 188, 220, 235, 275, 308, 329, 350, 385, 431, 470, 517, 550, 658, 700, 770, 862, 940, 1034, 1100, 1175, 1316, 1540, 1645, 1724, 1925, 2068, 2155, 2350, 2585, 3017, 3290, 3619, 3850, 4310, 4700, 4741, 5170, 6034, 6580, 7238, 7700, 8225, 8620, 9482, 10340, 10775, 12068, 12925, 14476, 15085, 16450, 18095, 18964, 20257, 21550, 23705, 25850, 30170, 32900, 33187, 36190, 40514, 43100, 47410, 51700, 60340, 66374, 72380, 75425, 81028, 90475, 94820, 101285, 118525, 132748, 141799, 150850, 165935, 180950, 202570, 222827, 237050, 283598, 301700, 331870, 361900, 405140, 445654, 474100, 506425, 567196, 663740, 708995, 829675, 891308, 1012850, 1114135, 1417990, 1559789, 1659350, 2025700, 2228270, 2835980, 3119578, 3318700, 3544975, 4456540, 5570675, 6239156, 7089950, 7798945, 11141350, 14179900, 15597890, 22282700, 31195780, 38994725, 77989450, 155978900]

約数ペア:

[(1, 155978900), (2, 77989450), (4, 38994725), (5, 31195780), (7, 22282700), (10, 15597890), (11, 14179900), (14, 11141350), (20, 7798945), (22, 7089950), (25, 6239156), (28, 5570675), (35, 4456540), (44, 3544975), (47, 3318700), (50, 3119578), (55, 2835980), (70, 2228270), (77, 2025700), (94, 1659350), (100, 1559789), (110, 1417990), (140, 1114135), (154, 1012850), (175, 891308), (188, 829675), (220, 708995), (235, 663740), (275, 567196), (308, 506425), (329, 474100), (350, 445654), (385, 405140), (431, 361900), (470, 331870), (517, 301700), (550, 283598), (658, 237050), (700, 222827), (770, 202570), (862, 180950), (940, 165935), (1034, 150850), (1100, 141799), (1175, 132748), (1316, 118525), (1540, 101285), (1645, 94820), (1724, 90475), (1925, 81028), (2068, 75425), (2155, 72380), (2350, 66374), (2585, 60340), (3017, 51700), (3290, 47410), (3619, 43100), (3850, 40514), (4310, 36190), (4700, 33187), (4741, 32900), (5170, 30170), (6034, 25850), (6580, 23705), (7238, 21550), (7700, 20257), (8225, 18964), (8620, 18095), (9482, 16450), (10340, 15085), (10775, 14476), (12068, 12925)]