219871520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 586999224

約数和(自身を除く): 367127704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 121, 160, 164, 176, 205, 220, 242, 277, 328, 352, 410, 440, 451, 484, 554, 605, 656, 820, 880, 902, 968, 1108, 1210, 1312, 1385, 1640, 1760, 1804, 1936, 2216, 2255, 2420, 2770, 3047, 3280, 3608, 3872, 4432, 4510, 4840, 4961, 5540, 6094, 6560, 7216, 8864, 9020, 9680, 9922, 11080, 11357, 12188, 14432, 15235, 18040, 19360, 19844, 22160, 22714, 24376, 24805, 30470, 33517, 36080, 39688, 44320, 45428, 48752, 49610, 56785, 60940, 67034, 72160, 79376, 90856, 97504, 99220, 113570, 121880, 124927, 134068, 158752, 167585, 181712, 198440, 227140, 243760, 249854, 268136, 335170, 363424, 396880, 454280, 487520, 499708, 536272, 624635, 670340, 793760, 908560, 999416, 1072544, 1249270, 1340680, 1374197, 1817120, 1998832, 2498540, 2681360, 2748394, 3997664, 4997080, 5362720, 5496788, 6870985, 9994160, 10993576, 13741970, 19988320, 21987152, 27483940, 43974304, 54967880, 109935760, 219871520]

約数ペア:

[(1, 219871520), (2, 109935760), (4, 54967880), (5, 43974304), (8, 27483940), (10, 21987152), (11, 19988320), (16, 13741970), (20, 10993576), (22, 9994160), (32, 6870985), (40, 5496788), (41, 5362720), (44, 4997080), (55, 3997664), (80, 2748394), (82, 2681360), (88, 2498540), (110, 1998832), (121, 1817120), (160, 1374197), (164, 1340680), (176, 1249270), (205, 1072544), (220, 999416), (242, 908560), (277, 793760), (328, 670340), (352, 624635), (410, 536272), (440, 499708), (451, 487520), (484, 454280), (554, 396880), (605, 363424), (656, 335170), (820, 268136), (880, 249854), (902, 243760), (968, 227140), (1108, 198440), (1210, 181712), (1312, 167585), (1385, 158752), (1640, 134068), (1760, 124927), (1804, 121880), (1936, 113570), (2216, 99220), (2255, 97504), (2420, 90856), (2770, 79376), (3047, 72160), (3280, 67034), (3608, 60940), (3872, 56785), (4432, 49610), (4510, 48752), (4840, 45428), (4961, 44320), (5540, 39688), (6094, 36080), (6560, 33517), (7216, 30470), (8864, 24805), (9020, 24376), (9680, 22714), (9922, 22160), (11080, 19844), (11357, 19360), (12188, 18040), (14432, 15235)]