490499968

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:532

約数の個数: 128

約数和(自身を含む): 1184832000

約数和(自身を除く): 694332032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 43, 56, 58, 64, 86, 112, 116, 128, 172, 203, 224, 232, 301, 344, 406, 439, 448, 464, 602, 688, 812, 878, 896, 928, 1204, 1247, 1376, 1624, 1756, 1856, 2408, 2494, 2752, 3073, 3248, 3512, 3712, 4816, 4988, 5504, 6146, 6496, 7024, 8729, 9632, 9976, 12292, 12731, 12992, 14048, 17458, 18877, 19264, 19952, 24584, 25462, 25984, 28096, 34916, 37754, 38528, 39904, 49168, 50924, 56192, 69832, 75508, 79808, 89117, 98336, 101848, 132139, 139664, 151016, 159616, 178234, 196672, 203696, 264278, 279328, 302032, 356468, 393344, 407392, 528556, 547433, 558656, 604064, 712936, 814784, 1057112, 1094866, 1117312, 1208128, 1425872, 1629568, 2114224, 2189732, 2416256, 2851744, 3832031, 4228448, 4379464, 5703488, 7664062, 8456896, 8758928, 11406976, 15328124, 16913792, 17517856, 30656248, 35035712, 61312496, 70071424, 122624992, 245249984, 490499968]

約数ペア:

[(1, 490499968), (2, 245249984), (4, 122624992), (7, 70071424), (8, 61312496), (14, 35035712), (16, 30656248), (28, 17517856), (29, 16913792), (32, 15328124), (43, 11406976), (56, 8758928), (58, 8456896), (64, 7664062), (86, 5703488), (112, 4379464), (116, 4228448), (128, 3832031), (172, 2851744), (203, 2416256), (224, 2189732), (232, 2114224), (301, 1629568), (344, 1425872), (406, 1208128), (439, 1117312), (448, 1094866), (464, 1057112), (602, 814784), (688, 712936), (812, 604064), (878, 558656), (896, 547433), (928, 528556), (1204, 407392), (1247, 393344), (1376, 356468), (1624, 302032), (1756, 279328), (1856, 264278), (2408, 203696), (2494, 196672), (2752, 178234), (3073, 159616), (3248, 151016), (3512, 139664), (3712, 132139), (4816, 101848), (4988, 98336), (5504, 89117), (6146, 79808), (6496, 75508), (7024, 69832), (8729, 56192), (9632, 50924), (9976, 49168), (12292, 39904), (12731, 38528), (12992, 37754), (14048, 34916), (17458, 28096), (18877, 25984), (19264, 25462), (19952, 24584)]