181939744

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 455051520

約数和(自身を除く): 273111776

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 49, 56, 62, 76, 98, 112, 124, 133, 152, 196, 197, 217, 224, 248, 266, 304, 392, 394, 434, 496, 532, 589, 608, 784, 788, 868, 931, 992, 1064, 1178, 1379, 1519, 1568, 1576, 1736, 1862, 2128, 2356, 2758, 3038, 3152, 3472, 3724, 3743, 4123, 4256, 4712, 5516, 6076, 6107, 6304, 6944, 7448, 7486, 8246, 9424, 9653, 11032, 12152, 12214, 14896, 14972, 16492, 18848, 19306, 22064, 24304, 24428, 26201, 28861, 29792, 29944, 32984, 38612, 42749, 44128, 48608, 48856, 52402, 57722, 59888, 65968, 77224, 85498, 97712, 104804, 115444, 116033, 119776, 131936, 154448, 170996, 183407, 195424, 209608, 230888, 232066, 299243, 308896, 341992, 366814, 419216, 461776, 464132, 598486, 683984, 733628, 812231, 838432, 923552, 928264, 1196972, 1367968, 1467256, 1624462, 1856528, 2393944, 2934512, 3248924, 3713056, 4787888, 5685617, 5869024, 6497848, 9575776, 11371234, 12995696, 22742468, 25991392, 45484936, 90969872, 181939744]

約数ペア:

[(1, 181939744), (2, 90969872), (4, 45484936), (7, 25991392), (8, 22742468), (14, 12995696), (16, 11371234), (19, 9575776), (28, 6497848), (31, 5869024), (32, 5685617), (38, 4787888), (49, 3713056), (56, 3248924), (62, 2934512), (76, 2393944), (98, 1856528), (112, 1624462), (124, 1467256), (133, 1367968), (152, 1196972), (196, 928264), (197, 923552), (217, 838432), (224, 812231), (248, 733628), (266, 683984), (304, 598486), (392, 464132), (394, 461776), (434, 419216), (496, 366814), (532, 341992), (589, 308896), (608, 299243), (784, 232066), (788, 230888), (868, 209608), (931, 195424), (992, 183407), (1064, 170996), (1178, 154448), (1379, 131936), (1519, 119776), (1568, 116033), (1576, 115444), (1736, 104804), (1862, 97712), (2128, 85498), (2356, 77224), (2758, 65968), (3038, 59888), (3152, 57722), (3472, 52402), (3724, 48856), (3743, 48608), (4123, 44128), (4256, 42749), (4712, 38612), (5516, 32984), (6076, 29944), (6107, 29792), (6304, 28861), (6944, 26201), (7448, 24428), (7486, 24304), (8246, 22064), (9424, 19306), (9653, 18848), (11032, 16492), (12152, 14972), (12214, 14896)]