947875840

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1553

約数の個数: 104

約数和(自身を含む): 2349571968

約数和(自身を除く): 1401696128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1493, 1984, 2048, 2480, 2560, 2986, 3968, 4096, 4960, 5120, 5972, 7465, 7936, 9920, 10240, 11944, 14930, 15872, 19840, 20480, 23888, 29860, 31744, 39680, 46283, 47776, 59720, 63488, 79360, 92566, 95552, 119440, 126976, 158720, 185132, 191104, 231415, 238880, 317440, 370264, 382208, 462830, 477760, 634880, 740528, 764416, 925660, 955520, 1481056, 1528832, 1851320, 1911040, 2962112, 3057664, 3702640, 3822080, 5924224, 6115328, 7405280, 7644160, 11848448, 14810560, 15288320, 23696896, 29621120, 30576640, 47393792, 59242240, 94787584, 118484480, 189575168, 236968960, 473937920, 947875840]

約数ペア:

[(1, 947875840), (2, 473937920), (4, 236968960), (5, 189575168), (8, 118484480), (10, 94787584), (16, 59242240), (20, 47393792), (31, 30576640), (32, 29621120), (40, 23696896), (62, 15288320), (64, 14810560), (80, 11848448), (124, 7644160), (128, 7405280), (155, 6115328), (160, 5924224), (248, 3822080), (256, 3702640), (310, 3057664), (320, 2962112), (496, 1911040), (512, 1851320), (620, 1528832), (640, 1481056), (992, 955520), (1024, 925660), (1240, 764416), (1280, 740528), (1493, 634880), (1984, 477760), (2048, 462830), (2480, 382208), (2560, 370264), (2986, 317440), (3968, 238880), (4096, 231415), (4960, 191104), (5120, 185132), (5972, 158720), (7465, 126976), (7936, 119440), (9920, 95552), (10240, 92566), (11944, 79360), (14930, 63488), (15872, 59720), (19840, 47776), (20480, 46283), (23888, 39680), (29860, 31744)]