197989120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1210

約数の個数: 144

約数和(自身を含む): 571011840

約数和(自身を除く): 373022720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1163, 1216, 1280, 1330, 1520, 1792, 2128, 2240, 2326, 2432, 2660, 3040, 4256, 4480, 4652, 4864, 5320, 5815, 6080, 8141, 8512, 8960, 9304, 10640, 11630, 12160, 16282, 17024, 18608, 21280, 22097, 23260, 24320, 32564, 34048, 37216, 40705, 42560, 44194, 46520, 65128, 74432, 81410, 85120, 88388, 93040, 110485, 130256, 148864, 154679, 162820, 170240, 176776, 186080, 220970, 260512, 297728, 309358, 325640, 353552, 372160, 441940, 521024, 618716, 651280, 707104, 744320, 773395, 883880, 1042048, 1237432, 1302560, 1414208, 1488640, 1546790, 1767760, 2084096, 2474864, 2605120, 2828416, 3093580, 3535520, 4949728, 5210240, 5656832, 6187160, 7071040, 9899456, 10420480, 12374320, 14142080, 19798912, 24748640, 28284160, 39597824, 49497280, 98994560, 197989120]

約数ペア:

[(1, 197989120), (2, 98994560), (4, 49497280), (5, 39597824), (7, 28284160), (8, 24748640), (10, 19798912), (14, 14142080), (16, 12374320), (19, 10420480), (20, 9899456), (28, 7071040), (32, 6187160), (35, 5656832), (38, 5210240), (40, 4949728), (56, 3535520), (64, 3093580), (70, 2828416), (76, 2605120), (80, 2474864), (95, 2084096), (112, 1767760), (128, 1546790), (133, 1488640), (140, 1414208), (152, 1302560), (160, 1237432), (190, 1042048), (224, 883880), (256, 773395), (266, 744320), (280, 707104), (304, 651280), (320, 618716), (380, 521024), (448, 441940), (532, 372160), (560, 353552), (608, 325640), (640, 309358), (665, 297728), (760, 260512), (896, 220970), (1064, 186080), (1120, 176776), (1163, 170240), (1216, 162820), (1280, 154679), (1330, 148864), (1520, 130256), (1792, 110485), (2128, 93040), (2240, 88388), (2326, 85120), (2432, 81410), (2660, 74432), (3040, 65128), (4256, 46520), (4480, 44194), (4652, 42560), (4864, 40705), (5320, 37216), (5815, 34048), (6080, 32564), (8141, 24320), (8512, 23260), (8960, 22097), (9304, 21280), (10640, 18608), (11630, 17024), (12160, 16282)]