204393868

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 438924192

約数和(自身を除く): 234530324

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 133, 146, 266, 277, 292, 361, 511, 532, 554, 722, 1022, 1108, 1387, 1444, 1939, 2044, 2527, 2774, 3878, 5054, 5263, 5548, 7756, 9709, 10108, 10526, 19418, 20221, 21052, 26353, 36841, 38836, 40442, 52706, 73682, 80884, 99997, 105412, 141547, 147364, 184471, 199994, 283094, 368942, 384199, 399988, 566188, 699979, 737884, 768398, 1399958, 1536796, 2689393, 2799916, 5378786, 7299781, 10757572, 14599562, 29199124, 51098467, 102196934, 204393868]

約数ペア:

[(1, 204393868), (2, 102196934), (4, 51098467), (7, 29199124), (14, 14599562), (19, 10757572), (28, 7299781), (38, 5378786), (73, 2799916), (76, 2689393), (133, 1536796), (146, 1399958), (266, 768398), (277, 737884), (292, 699979), (361, 566188), (511, 399988), (532, 384199), (554, 368942), (722, 283094), (1022, 199994), (1108, 184471), (1387, 147364), (1444, 141547), (1939, 105412), (2044, 99997), (2527, 80884), (2774, 73682), (3878, 52706), (5054, 40442), (5263, 38836), (5548, 36841), (7756, 26353), (9709, 21052), (10108, 20221), (10526, 19418)]