290967488

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 168

約数和(自身を含む): 719961984

約数和(自身を除く): 428994496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 41, 49, 56, 62, 64, 73, 82, 98, 112, 124, 146, 164, 196, 217, 224, 248, 287, 292, 328, 392, 434, 448, 496, 511, 574, 584, 656, 784, 868, 992, 1022, 1148, 1168, 1271, 1312, 1519, 1568, 1736, 1984, 2009, 2044, 2263, 2296, 2336, 2542, 2624, 2993, 3038, 3136, 3472, 3577, 4018, 4088, 4526, 4592, 4672, 5084, 5986, 6076, 6944, 7154, 8036, 8176, 8897, 9052, 9184, 10168, 11972, 12152, 13888, 14308, 15841, 16072, 16352, 17794, 18104, 18368, 20336, 20951, 23944, 24304, 28616, 31682, 32144, 32704, 35588, 36208, 40672, 41902, 47888, 48608, 57232, 62279, 63364, 64288, 71176, 72416, 81344, 83804, 92783, 95776, 97216, 110887, 114464, 124558, 126728, 128576, 142352, 144832, 146657, 167608, 185566, 191552, 221774, 228928, 249116, 253456, 284704, 293314, 335216, 371132, 443548, 498232, 506912, 569408, 586628, 649481, 670432, 742264, 887096, 996464, 1013824, 1173256, 1298962, 1340864, 1484528, 1774192, 1992928, 2346512, 2597924, 2969056, 3548384, 3985856, 4546367, 4693024, 5195848, 5938112, 7096768, 9092734, 9386048, 10391696, 18185468, 20783392, 36370936, 41566784, 72741872, 145483744, 290967488]

約数ペア:

[(1, 290967488), (2, 145483744), (4, 72741872), (7, 41566784), (8, 36370936), (14, 20783392), (16, 18185468), (28, 10391696), (31, 9386048), (32, 9092734), (41, 7096768), (49, 5938112), (56, 5195848), (62, 4693024), (64, 4546367), (73, 3985856), (82, 3548384), (98, 2969056), (112, 2597924), (124, 2346512), (146, 1992928), (164, 1774192), (196, 1484528), (217, 1340864), (224, 1298962), (248, 1173256), (287, 1013824), (292, 996464), (328, 887096), (392, 742264), (434, 670432), (448, 649481), (496, 586628), (511, 569408), (574, 506912), (584, 498232), (656, 443548), (784, 371132), (868, 335216), (992, 293314), (1022, 284704), (1148, 253456), (1168, 249116), (1271, 228928), (1312, 221774), (1519, 191552), (1568, 185566), (1736, 167608), (1984, 146657), (2009, 144832), (2044, 142352), (2263, 128576), (2296, 126728), (2336, 124558), (2542, 114464), (2624, 110887), (2993, 97216), (3038, 95776), (3136, 92783), (3472, 83804), (3577, 81344), (4018, 72416), (4088, 71176), (4526, 64288), (4592, 63364), (4672, 62279), (5084, 57232), (5986, 48608), (6076, 47888), (6944, 41902), (7154, 40672), (8036, 36208), (8176, 35588), (8897, 32704), (9052, 32144), (9184, 31682), (10168, 28616), (11972, 24304), (12152, 23944), (13888, 20951), (14308, 20336), (15841, 18368), (16072, 18104), (16352, 17794)]