199468880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 539965440

約数和(自身を除く): 340496560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 40, 46, 52, 62, 65, 80, 92, 104, 115, 124, 130, 155, 184, 208, 230, 248, 260, 269, 299, 310, 368, 403, 460, 496, 520, 538, 598, 620, 713, 806, 920, 1040, 1076, 1196, 1240, 1345, 1426, 1495, 1612, 1840, 2015, 2152, 2392, 2480, 2690, 2852, 2990, 3224, 3497, 3565, 4030, 4304, 4784, 5380, 5704, 5980, 6187, 6448, 6994, 7130, 8060, 8339, 9269, 10760, 11408, 11960, 12374, 13988, 14260, 16120, 16678, 17485, 18538, 21520, 23920, 24748, 27976, 28520, 30935, 32240, 33356, 34970, 37076, 41695, 46345, 49496, 55952, 57040, 61870, 66712, 69940, 74152, 80431, 83390, 92690, 98992, 108407, 123740, 133424, 139880, 148304, 160862, 166780, 185380, 191797, 216814, 247480, 279760, 321724, 333560, 370760, 383594, 402155, 433628, 494960, 542035, 643448, 667120, 741520, 767188, 804310, 867256, 958985, 1084070, 1286896, 1534376, 1608620, 1734512, 1917970, 2168140, 2493361, 3068752, 3217240, 3835940, 4336280, 4986722, 6434480, 7671880, 8672560, 9973444, 12466805, 15343760, 19946888, 24933610, 39893776, 49867220, 99734440, 199468880]

約数ペア:

[(1, 199468880), (2, 99734440), (4, 49867220), (5, 39893776), (8, 24933610), (10, 19946888), (13, 15343760), (16, 12466805), (20, 9973444), (23, 8672560), (26, 7671880), (31, 6434480), (40, 4986722), (46, 4336280), (52, 3835940), (62, 3217240), (65, 3068752), (80, 2493361), (92, 2168140), (104, 1917970), (115, 1734512), (124, 1608620), (130, 1534376), (155, 1286896), (184, 1084070), (208, 958985), (230, 867256), (248, 804310), (260, 767188), (269, 741520), (299, 667120), (310, 643448), (368, 542035), (403, 494960), (460, 433628), (496, 402155), (520, 383594), (538, 370760), (598, 333560), (620, 321724), (713, 279760), (806, 247480), (920, 216814), (1040, 191797), (1076, 185380), (1196, 166780), (1240, 160862), (1345, 148304), (1426, 139880), (1495, 133424), (1612, 123740), (1840, 108407), (2015, 98992), (2152, 92690), (2392, 83390), (2480, 80431), (2690, 74152), (2852, 69940), (2990, 66712), (3224, 61870), (3497, 57040), (3565, 55952), (4030, 49496), (4304, 46345), (4784, 41695), (5380, 37076), (5704, 34970), (5980, 33356), (6187, 32240), (6448, 30935), (6994, 28520), (7130, 27976), (8060, 24748), (8339, 23920), (9269, 21520), (10760, 18538), (11408, 17485), (11960, 16678), (12374, 16120), (13988, 14260)]