38979944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 82080000

約数和(自身を除く): 43100056

約数列:

[1, 2, 4, 8, 19, 29, 37, 38, 58, 74, 76, 116, 148, 152, 232, 239, 296, 478, 551, 703, 956, 1073, 1102, 1406, 1912, 2146, 2204, 2812, 4292, 4408, 4541, 5624, 6931, 8584, 8843, 9082, 13862, 17686, 18164, 20387, 27724, 35372, 36328, 40774, 55448, 70744, 81548, 131689, 163096, 168017, 256447, 263378, 336034, 512894, 526756, 672068, 1025788, 1053512, 1344136, 2051576, 4872493, 9744986, 19489972, 38979944]

約数ペア:

[(1, 38979944), (2, 19489972), (4, 9744986), (8, 4872493), (19, 2051576), (29, 1344136), (37, 1053512), (38, 1025788), (58, 672068), (74, 526756), (76, 512894), (116, 336034), (148, 263378), (152, 256447), (232, 168017), (239, 163096), (296, 131689), (478, 81548), (551, 70744), (703, 55448), (956, 40774), (1073, 36328), (1102, 35372), (1406, 27724), (1912, 20387), (2146, 18164), (2204, 17686), (2812, 13862), (4292, 9082), (4408, 8843), (4541, 8584), (5624, 6931)]