127978300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 294686000

約数和(自身を除く): 166707700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 193, 349, 380, 386, 475, 698, 772, 950, 965, 1396, 1745, 1900, 1930, 3490, 3667, 3860, 4825, 6631, 6980, 7334, 8725, 9650, 13262, 14668, 17450, 18335, 19300, 26524, 33155, 34900, 36670, 66310, 67357, 73340, 91675, 132620, 134714, 165775, 183350, 269428, 331550, 336785, 366700, 663100, 673570, 1279783, 1347140, 1683925, 2559566, 3367850, 5119132, 6398915, 6735700, 12797830, 25595660, 31994575, 63989150, 127978300]

約数ペア:

[(1, 127978300), (2, 63989150), (4, 31994575), (5, 25595660), (10, 12797830), (19, 6735700), (20, 6398915), (25, 5119132), (38, 3367850), (50, 2559566), (76, 1683925), (95, 1347140), (100, 1279783), (190, 673570), (193, 663100), (349, 366700), (380, 336785), (386, 331550), (475, 269428), (698, 183350), (772, 165775), (950, 134714), (965, 132620), (1396, 91675), (1745, 73340), (1900, 67357), (1930, 66310), (3490, 36670), (3667, 34900), (3860, 33155), (4825, 26524), (6631, 19300), (6980, 18335), (7334, 17450), (8725, 14668), (9650, 13262)]