447718180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 1180569600

約数和(自身を除く): 732851420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 127, 130, 140, 149, 169, 182, 254, 260, 298, 338, 364, 455, 508, 596, 635, 676, 745, 845, 889, 910, 1043, 1183, 1270, 1490, 1651, 1690, 1778, 1820, 1937, 2086, 2366, 2540, 2980, 3302, 3380, 3556, 3874, 4172, 4445, 4732, 5215, 5915, 6604, 7748, 8255, 8890, 9685, 10430, 11557, 11830, 13559, 16510, 17780, 18923, 19370, 20860, 21463, 23114, 23660, 25181, 27118, 33020, 37846, 38740, 42926, 46228, 50362, 54236, 57785, 67795, 75692, 85852, 94615, 100724, 107315, 115570, 125905, 132461, 135590, 150241, 176267, 189230, 214630, 231140, 245999, 251810, 264922, 271180, 300482, 352534, 378460, 429260, 491998, 503620, 529844, 600964, 662305, 705068, 751205, 881335, 983996, 1229995, 1324610, 1502410, 1721993, 1762670, 2459990, 2649220, 3004820, 3197987, 3443986, 3525340, 4919980, 6395974, 6887972, 8609965, 12791948, 15989935, 17219930, 22385909, 31979870, 34439860, 44771818, 63959740, 89543636, 111929545, 223859090, 447718180]

約数ペア:

[(1, 447718180), (2, 223859090), (4, 111929545), (5, 89543636), (7, 63959740), (10, 44771818), (13, 34439860), (14, 31979870), (20, 22385909), (26, 17219930), (28, 15989935), (35, 12791948), (52, 8609965), (65, 6887972), (70, 6395974), (91, 4919980), (127, 3525340), (130, 3443986), (140, 3197987), (149, 3004820), (169, 2649220), (182, 2459990), (254, 1762670), (260, 1721993), (298, 1502410), (338, 1324610), (364, 1229995), (455, 983996), (508, 881335), (596, 751205), (635, 705068), (676, 662305), (745, 600964), (845, 529844), (889, 503620), (910, 491998), (1043, 429260), (1183, 378460), (1270, 352534), (1490, 300482), (1651, 271180), (1690, 264922), (1778, 251810), (1820, 245999), (1937, 231140), (2086, 214630), (2366, 189230), (2540, 176267), (2980, 150241), (3302, 135590), (3380, 132461), (3556, 125905), (3874, 115570), (4172, 107315), (4445, 100724), (4732, 94615), (5215, 85852), (5915, 75692), (6604, 67795), (7748, 57785), (8255, 54236), (8890, 50362), (9685, 46228), (10430, 42926), (11557, 38740), (11830, 37846), (13559, 33020), (16510, 27118), (17780, 25181), (18923, 23660), (19370, 23114), (20860, 21463)]