55502800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 143765600

約数和(自身を除く): 88262800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 67, 76, 80, 95, 100, 109, 134, 152, 190, 200, 218, 268, 304, 335, 380, 400, 436, 475, 536, 545, 670, 760, 872, 950, 1072, 1090, 1273, 1340, 1520, 1675, 1744, 1900, 2071, 2180, 2546, 2680, 2725, 3350, 3800, 4142, 4360, 5092, 5360, 5450, 6365, 6700, 7303, 7600, 8284, 8720, 10184, 10355, 10900, 12730, 13400, 14606, 16568, 20368, 20710, 21800, 25460, 26800, 29212, 31825, 33136, 36515, 41420, 43600, 50920, 51775, 58424, 63650, 73030, 82840, 101840, 103550, 116848, 127300, 138757, 146060, 165680, 182575, 207100, 254600, 277514, 292120, 365150, 414200, 509200, 555028, 584240, 693785, 730300, 828400, 1110056, 1387570, 1460600, 2220112, 2775140, 2921200, 3468925, 5550280, 6937850, 11100560, 13875700, 27751400, 55502800]

約数ペア:

[(1, 55502800), (2, 27751400), (4, 13875700), (5, 11100560), (8, 6937850), (10, 5550280), (16, 3468925), (19, 2921200), (20, 2775140), (25, 2220112), (38, 1460600), (40, 1387570), (50, 1110056), (67, 828400), (76, 730300), (80, 693785), (95, 584240), (100, 555028), (109, 509200), (134, 414200), (152, 365150), (190, 292120), (200, 277514), (218, 254600), (268, 207100), (304, 182575), (335, 165680), (380, 146060), (400, 138757), (436, 127300), (475, 116848), (536, 103550), (545, 101840), (670, 82840), (760, 73030), (872, 63650), (950, 58424), (1072, 51775), (1090, 50920), (1273, 43600), (1340, 41420), (1520, 36515), (1675, 33136), (1744, 31825), (1900, 29212), (2071, 26800), (2180, 25460), (2546, 21800), (2680, 20710), (2725, 20368), (3350, 16568), (3800, 14606), (4142, 13400), (4360, 12730), (5092, 10900), (5360, 10355), (5450, 10184), (6365, 8720), (6700, 8284), (7303, 7600)]