187489720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 497145600

約数和(自身を除く): 309655880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 41, 44, 55, 76, 82, 88, 95, 110, 152, 164, 190, 205, 209, 220, 328, 380, 410, 418, 440, 451, 547, 760, 779, 820, 836, 902, 1045, 1094, 1558, 1640, 1672, 1804, 2090, 2188, 2255, 2735, 3116, 3608, 3895, 4180, 4376, 4510, 5470, 6017, 6232, 7790, 8360, 8569, 9020, 10393, 10940, 12034, 15580, 17138, 18040, 20786, 21880, 22427, 24068, 30085, 31160, 34276, 41572, 42845, 44854, 48136, 51965, 60170, 68552, 83144, 85690, 89708, 103930, 112135, 114323, 120340, 171380, 179416, 207860, 224270, 228646, 240680, 246697, 342760, 415720, 426113, 448540, 457292, 493394, 571615, 852226, 897080, 914584, 986788, 1143230, 1233485, 1704452, 1973576, 2130565, 2286460, 2466970, 3408904, 4261130, 4572920, 4687243, 4933940, 8522260, 9374486, 9867880, 17044520, 18748972, 23436215, 37497944, 46872430, 93744860, 187489720]

約数ペア:

[(1, 187489720), (2, 93744860), (4, 46872430), (5, 37497944), (8, 23436215), (10, 18748972), (11, 17044520), (19, 9867880), (20, 9374486), (22, 8522260), (38, 4933940), (40, 4687243), (41, 4572920), (44, 4261130), (55, 3408904), (76, 2466970), (82, 2286460), (88, 2130565), (95, 1973576), (110, 1704452), (152, 1233485), (164, 1143230), (190, 986788), (205, 914584), (209, 897080), (220, 852226), (328, 571615), (380, 493394), (410, 457292), (418, 448540), (440, 426113), (451, 415720), (547, 342760), (760, 246697), (779, 240680), (820, 228646), (836, 224270), (902, 207860), (1045, 179416), (1094, 171380), (1558, 120340), (1640, 114323), (1672, 112135), (1804, 103930), (2090, 89708), (2188, 85690), (2255, 83144), (2735, 68552), (3116, 60170), (3608, 51965), (3895, 48136), (4180, 44854), (4376, 42845), (4510, 41572), (5470, 34276), (6017, 31160), (6232, 30085), (7790, 24068), (8360, 22427), (8569, 21880), (9020, 20786), (10393, 18040), (10940, 17138), (12034, 15580)]