221044880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:182

約数の個数: 240

約数和(自身を含む): 659529216

約数和(自身を除く): 438484336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 49, 56, 62, 68, 70, 80, 85, 98, 107, 112, 119, 124, 136, 140, 155, 170, 196, 214, 217, 238, 245, 248, 272, 280, 310, 340, 392, 428, 434, 476, 490, 496, 527, 535, 560, 595, 620, 680, 749, 784, 833, 856, 868, 952, 980, 1054, 1070, 1085, 1190, 1240, 1360, 1498, 1519, 1666, 1712, 1736, 1819, 1904, 1960, 2108, 2140, 2170, 2380, 2480, 2635, 2996, 3038, 3317, 3332, 3472, 3638, 3689, 3745, 3920, 4165, 4216, 4280, 4340, 4760, 5243, 5270, 5992, 6076, 6634, 6664, 7276, 7378, 7490, 7595, 8330, 8432, 8560, 8680, 9095, 9520, 10486, 10540, 11984, 12152, 12733, 13268, 13328, 14552, 14756, 14980, 15190, 16585, 16660, 17360, 18190, 18445, 20972, 21080, 23219, 24304, 25466, 25823, 26215, 26536, 29104, 29512, 29960, 30380, 33170, 33320, 36380, 36890, 41944, 42160, 46438, 50932, 51646, 52430, 53072, 56389, 59024, 59920, 60760, 63665, 66340, 66640, 72760, 73780, 83888, 89131, 92876, 101864, 103292, 104860, 112778, 116095, 121520, 127330, 129115, 132680, 145520, 147560, 162533, 178262, 185752, 203728, 206584, 209720, 225556, 232190, 254660, 258230, 265360, 281945, 295120, 325066, 356524, 371504, 394723, 413168, 419440, 445655, 451112, 464380, 509320, 516460, 563890, 650132, 713048, 789446, 812665, 891310, 902224, 928760, 1018640, 1032920, 1127780, 1300264, 1426096, 1578892, 1625330, 1782620, 1857520, 1973615, 2065840, 2255560, 2600528, 2763061, 3157784, 3250660, 3565240, 3947230, 4511120, 5526122, 6315568, 6501320, 7130480, 7894460, 11052244, 13002640, 13815305, 15788920, 22104488, 27630610, 31577840, 44208976, 55261220, 110522440, 221044880]

約数ペア:

[(1, 221044880), (2, 110522440), (4, 55261220), (5, 44208976), (7, 31577840), (8, 27630610), (10, 22104488), (14, 15788920), (16, 13815305), (17, 13002640), (20, 11052244), (28, 7894460), (31, 7130480), (34, 6501320), (35, 6315568), (40, 5526122), (49, 4511120), (56, 3947230), (62, 3565240), (68, 3250660), (70, 3157784), (80, 2763061), (85, 2600528), (98, 2255560), (107, 2065840), (112, 1973615), (119, 1857520), (124, 1782620), (136, 1625330), (140, 1578892), (155, 1426096), (170, 1300264), (196, 1127780), (214, 1032920), (217, 1018640), (238, 928760), (245, 902224), (248, 891310), (272, 812665), (280, 789446), (310, 713048), (340, 650132), (392, 563890), (428, 516460), (434, 509320), (476, 464380), (490, 451112), (496, 445655), (527, 419440), (535, 413168), (560, 394723), (595, 371504), (620, 356524), (680, 325066), (749, 295120), (784, 281945), (833, 265360), (856, 258230), (868, 254660), (952, 232190), (980, 225556), (1054, 209720), (1070, 206584), (1085, 203728), (1190, 185752), (1240, 178262), (1360, 162533), (1498, 147560), (1519, 145520), (1666, 132680), (1712, 129115), (1736, 127330), (1819, 121520), (1904, 116095), (1960, 112778), (2108, 104860), (2140, 103292), (2170, 101864), (2380, 92876), (2480, 89131), (2635, 83888), (2996, 73780), (3038, 72760), (3317, 66640), (3332, 66340), (3472, 63665), (3638, 60760), (3689, 59920), (3745, 59024), (3920, 56389), (4165, 53072), (4216, 52430), (4280, 51646), (4340, 50932), (4760, 46438), (5243, 42160), (5270, 41944), (5992, 36890), (6076, 36380), (6634, 33320), (6664, 33170), (7276, 30380), (7378, 29960), (7490, 29512), (7595, 29104), (8330, 26536), (8432, 26215), (8560, 25823), (8680, 25466), (9095, 24304), (9520, 23219), (10486, 21080), (10540, 20972), (11984, 18445), (12152, 18190), (12733, 17360), (13268, 16660), (13328, 16585), (14552, 15190), (14756, 14980)]