209487488

素因数分解:

$2^7\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 502329600

約数和(自身を除く): 292842112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 71, 74, 89, 112, 128, 142, 148, 178, 224, 259, 284, 296, 356, 448, 497, 518, 568, 592, 623, 712, 896, 994, 1036, 1136, 1184, 1246, 1424, 1988, 2072, 2272, 2368, 2492, 2627, 2848, 3293, 3976, 4144, 4544, 4736, 4984, 5254, 5696, 6319, 6586, 7952, 8288, 9088, 9968, 10508, 11392, 12638, 13172, 15904, 16576, 18389, 19936, 21016, 23051, 25276, 26344, 31808, 33152, 36778, 39872, 42032, 44233, 46102, 50552, 52688, 63616, 73556, 79744, 84064, 88466, 92204, 101104, 105376, 147112, 168128, 176932, 184408, 202208, 210752, 233803, 294224, 336256, 353864, 368816, 404416, 421504, 467606, 588448, 707728, 737632, 808832, 935212, 1176896, 1415456, 1475264, 1636621, 1870424, 2353792, 2830912, 2950528, 3273242, 3740848, 5661824, 6546484, 7481696, 13092968, 14963392, 26185936, 29926784, 52371872, 104743744, 209487488]

約数ペア:

[(1, 209487488), (2, 104743744), (4, 52371872), (7, 29926784), (8, 26185936), (14, 14963392), (16, 13092968), (28, 7481696), (32, 6546484), (37, 5661824), (56, 3740848), (64, 3273242), (71, 2950528), (74, 2830912), (89, 2353792), (112, 1870424), (128, 1636621), (142, 1475264), (148, 1415456), (178, 1176896), (224, 935212), (259, 808832), (284, 737632), (296, 707728), (356, 588448), (448, 467606), (497, 421504), (518, 404416), (568, 368816), (592, 353864), (623, 336256), (712, 294224), (896, 233803), (994, 210752), (1036, 202208), (1136, 184408), (1184, 176932), (1246, 168128), (1424, 147112), (1988, 105376), (2072, 101104), (2272, 92204), (2368, 88466), (2492, 84064), (2627, 79744), (2848, 73556), (3293, 63616), (3976, 52688), (4144, 50552), (4544, 46102), (4736, 44233), (4984, 42032), (5254, 39872), (5696, 36778), (6319, 33152), (6586, 31808), (7952, 26344), (8288, 25276), (9088, 23051), (9968, 21016), (10508, 19936), (11392, 18389), (12638, 16576), (13172, 15904)]