217877440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:387

約数の個数: 168

約数和(自身を含む): 605643696

約数和(自身を除く): 387766256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 121, 136, 160, 170, 176, 187, 220, 242, 272, 320, 331, 340, 352, 374, 440, 484, 544, 605, 662, 680, 704, 748, 880, 935, 968, 1088, 1210, 1324, 1360, 1496, 1655, 1760, 1870, 1936, 2057, 2420, 2648, 2720, 2992, 3310, 3520, 3641, 3740, 3872, 4114, 4840, 5296, 5440, 5627, 5984, 6620, 7282, 7480, 7744, 8228, 9680, 10285, 10592, 11254, 11968, 13240, 14564, 14960, 16456, 18205, 19360, 20570, 21184, 22508, 26480, 28135, 29128, 29920, 32912, 36410, 38720, 40051, 41140, 45016, 52960, 56270, 58256, 59840, 61897, 65824, 72820, 80102, 82280, 90032, 105920, 112540, 116512, 123794, 131648, 145640, 160204, 164560, 180064, 200255, 225080, 233024, 247588, 291280, 309485, 320408, 329120, 360128, 400510, 450160, 495176, 582560, 618970, 640816, 658240, 680867, 801020, 900320, 990352, 1165120, 1237940, 1281632, 1361734, 1602040, 1800640, 1980704, 2475880, 2563264, 2723468, 3204080, 3404335, 3961408, 4951760, 5446936, 6408160, 6808670, 9903520, 10893872, 12816320, 13617340, 19807040, 21787744, 27234680, 43575488, 54469360, 108938720, 217877440]

約数ペア:

[(1, 217877440), (2, 108938720), (4, 54469360), (5, 43575488), (8, 27234680), (10, 21787744), (11, 19807040), (16, 13617340), (17, 12816320), (20, 10893872), (22, 9903520), (32, 6808670), (34, 6408160), (40, 5446936), (44, 4951760), (55, 3961408), (64, 3404335), (68, 3204080), (80, 2723468), (85, 2563264), (88, 2475880), (110, 1980704), (121, 1800640), (136, 1602040), (160, 1361734), (170, 1281632), (176, 1237940), (187, 1165120), (220, 990352), (242, 900320), (272, 801020), (320, 680867), (331, 658240), (340, 640816), (352, 618970), (374, 582560), (440, 495176), (484, 450160), (544, 400510), (605, 360128), (662, 329120), (680, 320408), (704, 309485), (748, 291280), (880, 247588), (935, 233024), (968, 225080), (1088, 200255), (1210, 180064), (1324, 164560), (1360, 160204), (1496, 145640), (1655, 131648), (1760, 123794), (1870, 116512), (1936, 112540), (2057, 105920), (2420, 90032), (2648, 82280), (2720, 80102), (2992, 72820), (3310, 65824), (3520, 61897), (3641, 59840), (3740, 58256), (3872, 56270), (4114, 52960), (4840, 45016), (5296, 41140), (5440, 40051), (5627, 38720), (5984, 36410), (6620, 32912), (7282, 29920), (7480, 29128), (7744, 28135), (8228, 26480), (9680, 22508), (10285, 21184), (10592, 20570), (11254, 19360), (11968, 18205), (13240, 16456), (14564, 14960)]