280302256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{4663}}^1$

素因数の和:4718

約数の個数: 60

約数和(自身を含む): 621422032

約数和(自身を除く): 341119776

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 289, 442, 578, 884, 1156, 1768, 2312, 3536, 3757, 4624, 4663, 7514, 9326, 15028, 18652, 30056, 37304, 60112, 60619, 74608, 79271, 121238, 158542, 242476, 317084, 484952, 634168, 969904, 1030523, 1268336, 1347607, 2061046, 2695214, 4122092, 5390428, 8244184, 10780856, 16488368, 17518891, 21561712, 35037782, 70075564, 140151128, 280302256]

約数ペア:

[(1, 280302256), (2, 140151128), (4, 70075564), (8, 35037782), (13, 21561712), (16, 17518891), (17, 16488368), (26, 10780856), (34, 8244184), (52, 5390428), (68, 4122092), (104, 2695214), (136, 2061046), (208, 1347607), (221, 1268336), (272, 1030523), (289, 969904), (442, 634168), (578, 484952), (884, 317084), (1156, 242476), (1768, 158542), (2312, 121238), (3536, 79271), (3757, 74608), (4624, 60619), (4663, 60112), (7514, 37304), (9326, 30056), (15028, 18652)]