219857120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1025

約数の個数: 144

約数和(自身を含む): 625695840

約数和(自身を除く): 405838720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 928, 967, 980, 1015, 1120, 1160, 1421, 1568, 1624, 1934, 1960, 2030, 2320, 2842, 3248, 3868, 3920, 4060, 4640, 4835, 5684, 6496, 6769, 7105, 7736, 7840, 8120, 9670, 11368, 13538, 14210, 15472, 16240, 19340, 22736, 27076, 28043, 28420, 30944, 32480, 33845, 38680, 45472, 47383, 54152, 56086, 56840, 67690, 77360, 94766, 108304, 112172, 113680, 135380, 140215, 154720, 189532, 196301, 216608, 224344, 227360, 236915, 270760, 280430, 379064, 392602, 448688, 473830, 541520, 560860, 758128, 785204, 897376, 947660, 981505, 1083040, 1121720, 1374107, 1516256, 1570408, 1895320, 1963010, 2243440, 2748214, 3140816, 3790640, 3926020, 4486880, 5496428, 6281632, 6870535, 7581280, 7852040, 10992856, 13741070, 15704080, 21985712, 27482140, 31408160, 43971424, 54964280, 109928560, 219857120]

約数ペア:

[(1, 219857120), (2, 109928560), (4, 54964280), (5, 43971424), (7, 31408160), (8, 27482140), (10, 21985712), (14, 15704080), (16, 13741070), (20, 10992856), (28, 7852040), (29, 7581280), (32, 6870535), (35, 6281632), (40, 5496428), (49, 4486880), (56, 3926020), (58, 3790640), (70, 3140816), (80, 2748214), (98, 2243440), (112, 1963010), (116, 1895320), (140, 1570408), (145, 1516256), (160, 1374107), (196, 1121720), (203, 1083040), (224, 981505), (232, 947660), (245, 897376), (280, 785204), (290, 758128), (392, 560860), (406, 541520), (464, 473830), (490, 448688), (560, 392602), (580, 379064), (784, 280430), (812, 270760), (928, 236915), (967, 227360), (980, 224344), (1015, 216608), (1120, 196301), (1160, 189532), (1421, 154720), (1568, 140215), (1624, 135380), (1934, 113680), (1960, 112172), (2030, 108304), (2320, 94766), (2842, 77360), (3248, 67690), (3868, 56840), (3920, 56086), (4060, 54152), (4640, 47383), (4835, 45472), (5684, 38680), (6496, 33845), (6769, 32480), (7105, 30944), (7736, 28420), (7840, 28043), (8120, 27076), (9670, 22736), (11368, 19340), (13538, 16240), (14210, 15472)]