2008305928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{1297}}^1$

素因数の和:1550

約数の個数: 64

約数和(自身を含む): 4055990400

約数和(自身を除く): 2047684472

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 167, 244, 334, 488, 668, 1159, 1297, 1336, 2318, 2594, 3173, 4636, 5188, 6346, 9272, 10187, 10376, 12692, 20374, 24643, 25384, 40748, 49286, 79117, 81496, 98572, 158234, 193553, 197144, 216599, 316468, 387106, 433198, 632936, 774212, 866396, 1503223, 1548424, 1732792, 3006446, 4115381, 6012892, 8230762, 12025784, 13212539, 16461524, 26425078, 32923048, 52850156, 105700312, 251038241, 502076482, 1004152964, 2008305928]

約数ペア:

[(1, 2008305928), (2, 1004152964), (4, 502076482), (8, 251038241), (19, 105700312), (38, 52850156), (61, 32923048), (76, 26425078), (122, 16461524), (152, 13212539), (167, 12025784), (244, 8230762), (334, 6012892), (488, 4115381), (668, 3006446), (1159, 1732792), (1297, 1548424), (1336, 1503223), (2318, 866396), (2594, 774212), (3173, 632936), (4636, 433198), (5188, 387106), (6346, 316468), (9272, 216599), (10187, 197144), (10376, 193553), (12692, 158234), (20374, 98572), (24643, 81496), (25384, 79117), (40748, 49286)]