2005301848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2309}}^1$

素因数の和:2536

約数の個数: 64

約数和(自身を含む): 4191264000

約数和(自身を除く): 2185962152

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 139, 142, 278, 284, 556, 568, 781, 1112, 1529, 1562, 2309, 3058, 3124, 4618, 6116, 6248, 9236, 9869, 12232, 18472, 19738, 25399, 39476, 50798, 78952, 101596, 108559, 163939, 203192, 217118, 320951, 327878, 434236, 641902, 655756, 868472, 1283804, 1311512, 1803329, 2567608, 3530461, 3606658, 7060922, 7213316, 14121844, 14426632, 22787521, 28243688, 45575042, 91150084, 182300168, 250662731, 501325462, 1002650924, 2005301848]

約数ペア:

[(1, 2005301848), (2, 1002650924), (4, 501325462), (8, 250662731), (11, 182300168), (22, 91150084), (44, 45575042), (71, 28243688), (88, 22787521), (139, 14426632), (142, 14121844), (278, 7213316), (284, 7060922), (556, 3606658), (568, 3530461), (781, 2567608), (1112, 1803329), (1529, 1311512), (1562, 1283804), (2309, 868472), (3058, 655756), (3124, 641902), (4618, 434236), (6116, 327878), (6248, 320951), (9236, 217118), (9869, 203192), (12232, 163939), (18472, 108559), (19738, 101596), (25399, 78952), (39476, 50798)]