2108698520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{3967}}^1$

素因数の和:4212

約数の個数: 64

約数和(自身を含む): 4829690880

約数和(自身を除く): 2720992360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 137, 194, 274, 388, 485, 548, 685, 776, 970, 1096, 1370, 1940, 2740, 3880, 3967, 5480, 7934, 13289, 15868, 19835, 26578, 31736, 39670, 53156, 66445, 79340, 106312, 132890, 158680, 265780, 384799, 531560, 543479, 769598, 1086958, 1539196, 1923995, 2173916, 2717395, 3078392, 3847990, 4347832, 5434790, 7695980, 10869580, 15391960, 21739160, 52717463, 105434926, 210869852, 263587315, 421739704, 527174630, 1054349260, 2108698520]

約数ペア:

[(1, 2108698520), (2, 1054349260), (4, 527174630), (5, 421739704), (8, 263587315), (10, 210869852), (20, 105434926), (40, 52717463), (97, 21739160), (137, 15391960), (194, 10869580), (274, 7695980), (388, 5434790), (485, 4347832), (548, 3847990), (685, 3078392), (776, 2717395), (970, 2173916), (1096, 1923995), (1370, 1539196), (1940, 1086958), (2740, 769598), (3880, 543479), (3967, 531560), (5480, 384799), (7934, 265780), (13289, 158680), (15868, 132890), (19835, 106312), (26578, 79340), (31736, 66445), (39670, 53156)]