260071396

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 527567040

約数和(自身を除く): 267495644

約数列:

[1, 2, 4, 13, 23, 26, 43, 46, 52, 86, 92, 169, 172, 299, 338, 389, 559, 598, 676, 778, 989, 1118, 1196, 1556, 1978, 2236, 3887, 3956, 5057, 7267, 7774, 8947, 10114, 12857, 14534, 15548, 16727, 17894, 20228, 25714, 29068, 33454, 35788, 51428, 65741, 66908, 116311, 131482, 167141, 217451, 232622, 262964, 334282, 384721, 434902, 465244, 668564, 769442, 869804, 1512043, 1538884, 2826863, 3024086, 5001373, 5653726, 6048172, 10002746, 11307452, 20005492, 65017849, 130035698, 260071396]

約数ペア:

[(1, 260071396), (2, 130035698), (4, 65017849), (13, 20005492), (23, 11307452), (26, 10002746), (43, 6048172), (46, 5653726), (52, 5001373), (86, 3024086), (92, 2826863), (169, 1538884), (172, 1512043), (299, 869804), (338, 769442), (389, 668564), (559, 465244), (598, 434902), (676, 384721), (778, 334282), (989, 262964), (1118, 232622), (1196, 217451), (1556, 167141), (1978, 131482), (2236, 116311), (3887, 66908), (3956, 65741), (5057, 51428), (7267, 35788), (7774, 33454), (8947, 29068), (10114, 25714), (12857, 20228), (14534, 17894), (15548, 16727)]