18557000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 54362880

約数和(自身を除く): 35805880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 125, 140, 154, 175, 200, 220, 241, 250, 275, 280, 308, 350, 385, 440, 482, 500, 550, 616, 700, 770, 875, 964, 1000, 1100, 1205, 1375, 1400, 1540, 1687, 1750, 1925, 1928, 2200, 2410, 2651, 2750, 3080, 3374, 3500, 3850, 4820, 5302, 5500, 6025, 6748, 7000, 7700, 8435, 9625, 9640, 10604, 11000, 12050, 13255, 13496, 15400, 16870, 18557, 19250, 21208, 24100, 26510, 30125, 33740, 37114, 38500, 42175, 48200, 53020, 60250, 66275, 67480, 74228, 77000, 84350, 92785, 106040, 120500, 132550, 148456, 168700, 185570, 210875, 241000, 265100, 331375, 337400, 371140, 421750, 463925, 530200, 662750, 742280, 843500, 927850, 1325500, 1687000, 1855700, 2319625, 2651000, 3711400, 4639250, 9278500, 18557000]

約数ペア:

[(1, 18557000), (2, 9278500), (4, 4639250), (5, 3711400), (7, 2651000), (8, 2319625), (10, 1855700), (11, 1687000), (14, 1325500), (20, 927850), (22, 843500), (25, 742280), (28, 662750), (35, 530200), (40, 463925), (44, 421750), (50, 371140), (55, 337400), (56, 331375), (70, 265100), (77, 241000), (88, 210875), (100, 185570), (110, 168700), (125, 148456), (140, 132550), (154, 120500), (175, 106040), (200, 92785), (220, 84350), (241, 77000), (250, 74228), (275, 67480), (280, 66275), (308, 60250), (350, 53020), (385, 48200), (440, 42175), (482, 38500), (500, 37114), (550, 33740), (616, 30125), (700, 26510), (770, 24100), (875, 21208), (964, 19250), (1000, 18557), (1100, 16870), (1205, 15400), (1375, 13496), (1400, 13255), (1540, 12050), (1687, 11000), (1750, 10604), (1925, 9640), (1928, 9625), (2200, 8435), (2410, 7700), (2651, 7000), (2750, 6748), (3080, 6025), (3374, 5500), (3500, 5302), (3850, 4820)]