1800121400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2851}}^1$

素因数の和:2926

約数の個数: 192

約数和(自身を含む): 5347157760

約数和(自身を除く): 3547036360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 41, 44, 50, 55, 56, 70, 77, 82, 88, 100, 110, 140, 154, 164, 175, 200, 205, 220, 275, 280, 287, 308, 328, 350, 385, 410, 440, 451, 550, 574, 616, 700, 770, 820, 902, 1025, 1100, 1148, 1400, 1435, 1540, 1640, 1804, 1925, 2050, 2200, 2255, 2296, 2851, 2870, 3080, 3157, 3608, 3850, 4100, 4510, 5702, 5740, 6314, 7175, 7700, 8200, 9020, 11275, 11404, 11480, 12628, 14255, 14350, 15400, 15785, 18040, 19957, 22550, 22808, 25256, 28510, 28700, 31361, 31570, 39914, 45100, 57020, 57400, 62722, 63140, 71275, 78925, 79828, 90200, 99785, 114040, 116891, 125444, 126280, 142550, 156805, 157850, 159656, 199570, 219527, 233782, 250888, 285100, 313610, 315700, 399140, 439054, 467564, 498925, 570200, 584455, 627220, 631400, 784025, 798280, 818237, 878108, 935128, 997850, 1097635, 1168910, 1254440, 1285801, 1568050, 1636474, 1756216, 1995700, 2195270, 2337820, 2571602, 2922275, 3136100, 3272948, 3991400, 4091185, 4390540, 4675640, 5143204, 5488175, 5844550, 6272200, 6429005, 6545896, 8182370, 8781080, 9000607, 10286408, 10976350, 11689100, 12858010, 16364740, 18001214, 20455925, 21952700, 23378200, 25716020, 32145025, 32729480, 36002428, 40911850, 43905400, 45003035, 51432040, 64290050, 72004856, 81823700, 90006070, 128580100, 163647400, 180012140, 225015175, 257160200, 360024280, 450030350, 900060700, 1800121400]

約数ペア:

[(1, 1800121400), (2, 900060700), (4, 450030350), (5, 360024280), (7, 257160200), (8, 225015175), (10, 180012140), (11, 163647400), (14, 128580100), (20, 90006070), (22, 81823700), (25, 72004856), (28, 64290050), (35, 51432040), (40, 45003035), (41, 43905400), (44, 40911850), (50, 36002428), (55, 32729480), (56, 32145025), (70, 25716020), (77, 23378200), (82, 21952700), (88, 20455925), (100, 18001214), (110, 16364740), (140, 12858010), (154, 11689100), (164, 10976350), (175, 10286408), (200, 9000607), (205, 8781080), (220, 8182370), (275, 6545896), (280, 6429005), (287, 6272200), (308, 5844550), (328, 5488175), (350, 5143204), (385, 4675640), (410, 4390540), (440, 4091185), (451, 3991400), (550, 3272948), (574, 3136100), (616, 2922275), (700, 2571602), (770, 2337820), (820, 2195270), (902, 1995700), (1025, 1756216), (1100, 1636474), (1148, 1568050), (1400, 1285801), (1435, 1254440), (1540, 1168910), (1640, 1097635), (1804, 997850), (1925, 935128), (2050, 878108), (2200, 818237), (2255, 798280), (2296, 784025), (2851, 631400), (2870, 627220), (3080, 584455), (3157, 570200), (3608, 498925), (3850, 467564), (4100, 439054), (4510, 399140), (5702, 315700), (5740, 313610), (6314, 285100), (7175, 250888), (7700, 233782), (8200, 219527), (9020, 199570), (11275, 159656), (11404, 157850), (11480, 156805), (12628, 142550), (14255, 126280), (14350, 125444), (15400, 116891), (15785, 114040), (18040, 99785), (19957, 90200), (22550, 79828), (22808, 78925), (25256, 71275), (28510, 63140), (28700, 62722), (31361, 57400), (31570, 57020), (39914, 45100)]